From anna.klos at wat.edu.pl  Fri Jan  3 12:31:15 2025
From: anna.klos at wat.edu.pl (=?iso-8859-2?Q?K=B3os_Anna?=)
Date: Fri, 3 Jan 2025 12:31:15 +0000
Subject: [IGSMAIL-8546] Post-doc position
Message-ID: <74765cb30b81401985bb2f8b898cf033@wat.edu.pl>

Dear Colleagues,

I am pleased to announce the call for a Post-doc position in a joint Polish-German project funded by the National Science Center (NCN, Poland) and the German Research Foundation (DFG, Germany), entitled: A new approach for inferring spatially continuous multi-technique vertical land motion (VLM) models for coastal areas and sea level research", awarded under the OPUS-24 LAP competition. The PIs of the project are Prof. J?rgen Kusche, University of Bonn, and myself.

This is a fixed-term position for 33 months with expected start in April 2025 (or earlier).
Deadline for submission: February 20, 2025.

More details can be found here:
https://www2.ncn.gov.pl/baza-ofert/?akcja=wyswietl&id=226841

I would appreciate if you would inform interested applicants.

Best regards,
Anna Klos
Military University of Technology, Warsaw, Poland


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From krzysztof.sosnica at upwr.edu.pl  Fri Jan  3 14:29:46 2025
From: krzysztof.sosnica at upwr.edu.pl (=?UTF-8?Q?Krzysztof_So=C5=9Bnica?=)
Date: Fri, 3 Jan 2025 15:29:46 +0100
Subject: [IGSMAIL-8547] ENC 2025 - European Navigation Conference - Call for
 papers
Message-ID: <CAOJWAOUZOmSy5xwVbxkfULkPinWfYZ3Wbadza4=iike=BPv=cg@mail.gmail.com>

Dear Colleagues,



The abstract submission deadline for the European Navigation Conference
(ENC) 2025 is 26 January 2025. The topics of the conference cover
GNSS-based navigation, algorithms and methods, multi-sensor and autonomous
navigation, future trends in navigation, and many others.

The conference will be held from 21 to 23 May 2025 in Wroclaw, Poland. ENC
2025 is being organized by the European Group of Institutes of Navigation
(EUGIN) with key sponsorship support from the European Space Agency (ESA).

More information about the conference can be found at the website:
https://enc-series.org/



Kind regards,

Krzysztof So?nica
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From paul.rebischung at ign.fr  Mon Jan  6 10:41:59 2025
From: paul.rebischung at ign.fr (Paul Rebischung)
Date: Mon, 6 Jan 2025 11:41:59 +0100 (CET)
Subject: [IGSMAIL-8548] Re: EGU 2025 call for abstracts: session G2.2
 "Terrestrial Reference Frame: determination, improvements and usage"
In-Reply-To: <366282746.2837383.1730988757260.JavaMail.zimbra@ign.fr>
References: <366282746.2837383.1730988757260.JavaMail.zimbra@ign.fr>
Message-ID: <511376701.16647877.1736160119825.JavaMail.zimbra@ign.fr>

Dear colleagues, 

We would like to remind you that the abstract submission deadline for EGU 2025 is approaching, and to solicit your contributions to session G2.2 once again. 

Best wishes for the new year, 
The convener team: Paul Rebischung, Mathis Blo?feld, Susanne Glaser, Helene Wolf, Rados?aw Zajdel 

De: "paul rebischung" <paul.rebischung at ign.fr> 
?: "igsmail" <igsmail at lists.igs.org>, "ivsmail" <ivsmail at lists.nasa.gov>, "slr-mail dgfi" <slr-mail.dgfi at tum.de>, "dorismail" <dorismail at ids-doris.org> 
Envoy?: Jeudi 7 Novembre 2024 15:12:37 
Objet: EGU 2025 call for abstracts: session G2.2 "Terrestrial Reference Frame: determination, improvements and usage" 

Dear colleagues, 

We would like to draw your attention to session G2.2 "Terrestrial Reference Frame: determination, improvements and usage" to be held at the next EGU General Assembly in Vienna, Austria & online, 27 April - 2 May 2025. See the session description at: 
[ https://meetingorganizer.copernicus.org/EGU25/session/51887 | https://meetingorganizer.copernicus.org/EGU25/session/51887 ] 

Please consider submitting an abstract to this session, and note the abstract submission deadline: Wednesday, 15 January 2025, 13:00 CET . 

Best regards, 
The convener team: Paul Rebischung, Mathis Blo?feld, Susanne Glaser, Helene Wolf, Rados?aw Zajdel 

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From jhgeng1982 at gmail.com  Mon Jan  6 02:26:38 2025
From: jhgeng1982 at gmail.com (Jianghui Geng)
Date: Mon, 6 Jan 2025 10:26:38 +0800
Subject: [IGSMAIL-8549] Multipath effect mitigation module in PRIDE PPP-AR
 v3.1
Message-ID: <4BDA9DC1-76B8-4FA7-9BEA-3424FF44ED9B@gmail.com>

Dear colleagues,

We have upgraded the open-source software PRIDE PPP-AR to version 3.1 (https://github.com/PrideLab/PRIDE-PPPAR) to enable multipath effect mitigation. The multipath mitigation module is based on a multipath hemispherical map (MHM) model for precise point positioning pseudorange/carrier-phase residuals of any dual-frequency combination from any GNSS constellation. The module is also empowered by modeling overlap-frequency residuals (i.e., GPSL1/L5, Galileo E1/E5a and BDS-3 B1C/B2a) for more efficient multipath mitigation. PRIDE PPP-AR 3.1 can perform MHM using both float and fixed solutions, and can use data before or after the target days for MHM modeling. Depending on station surroundings and data quality/completeness, the precision improvement of kinematic positions ranges from 5-20% typically in terms of RMS errors. The improvement over periods of more than 20 minutes would be trustworthy. Specific operations and commands can be found in the new manual or in the help information for scripts or module.

Please do not hesitate to contact us (pride at whu.edu.cn) if you have any problem with the multipath mitigation or the PRIDE PPP-AR software. This work is funded by National Science Foundation of China (No. 42025401, 42361134580) and under the auspices of IAG Sub-Commission 4.2 ?Multi-constellation and multi-frequency GNSS?.

Ref.
Geng J, Zhang H, Li G, Aoki Y (2024) Multipath mitigation for GPS/Galileo/BDS-3 precise point positioning with overlap-frequency signals. Satellite Navigation. 5, 22. doi:10.1186/s43020-024-00144-7

Best regards,

Jianghui Geng on behalf of the PRIDE Group
Professor in GNSS Geodesy
Chinese Academy of Sciences, Wuhan, China
Email: jgeng at apm.ac.cn
Office: +86 (0)27 68881316
Homepage: http://pride.whu.edu.cn

Earn the right to be wrong






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From Salim.Masoumi at ga.gov.au  Mon Jan  6 21:27:54 2025
From: Salim.Masoumi at ga.gov.au (Salim Masoumi)
Date: Mon, 6 Jan 2025 21:27:54 +0000
Subject: [IGSMAIL-8550] Delay in the IGS Rapid products of 2025005
 [SEC=OFFICIAL]
Message-ID: <MEYPR01MB66472D04C57FB7D401F294B7A3102@MEYPR01MB6647.ausprd01.prod.outlook.com>

Dear Colleagues,

There was a delay of about 4.5 hours in the delivery of IGS Rapid products for day 005 of the year 2025 (GPS week 2348, day of week 0). The failure happened due to an issue in an ERP file used for conversion of the IGS broadcast navigation file to SP3. The issue has now been resolved, and the products have been uploaded to the global data centres.

Apologies for any inconvenience this may have caused.

Kind Regards,
Salim Masoumi
IGS ACC

Salim Masoumi Ph.D. |  GNSS Team Leader
GNSS Analysis Section  |  Positioning Australia Branch
Space Division

t +61 2 6249 9688    ga.gov.au<https://www.ga.gov.au/>

[cid:image001.png at 01DB60DD.58AF6450]<https://www.ga.gov.au/>

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From jacek.paziewski at uwm.edu.pl  Tue Jan  7 08:12:53 2025
From: jacek.paziewski at uwm.edu.pl (Jacek Paziewski)
Date: Tue, 7 Jan 2025 09:12:53 +0100
Subject: [IGSMAIL-8551] EGU General Assembly 2025 call for abstracts for
 session "High-precision GNSS: methods,
 open problems and geoscience applications"
Message-ID: <cb308743-b180-45f5-8c7d-b1aa85de67fd@uwm.edu.pl>

Dear Colleagues,

The *General Assembly of the European Geosciences Union* will take place 
on 27 April-2 May 2025**in Vienna & online.

We draw your attention to the session: *G2.4 High-precision GNSS: 
methods, open problems, and geoscience applications. *This session is a 
forum to discuss advances in high-precision GNSS algorithms and their 
applications to geosciences. The detailed session description can be 
found at https://meetingorganizer.copernicus.org/EGU25/session/52697. We 
encourage you to submit an abstract to this session. The deadline for 
abstract submission is *15 January 2025* at 13:00 CET.

Do not hesitate to contact us directly if you have any questions.

Sincerely,
Jacek Paziewski,

On behalf of the convenors of the session:

Elisa Benedetti, Mattia Crespi, Jianghui Geng, and Alvaro Santamar?a-G?mez.

-- 

Best Regards
Dr hab. in?. Jacek Paziewski, prof. UWM
Department of Geodesy
Faculty of Geoengineering
University of Warmia and Mazury in Olsztyn
Oczapowskiego 1, 10-719 Olsztyn
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From sharyl.m.byram.civ at us.navy.mil  Tue Jan  7 19:22:16 2025
From: sharyl.m.byram.civ at us.navy.mil (Byram, Sharyl M CIV USN NAVOBSY DC (USA))
Date: Tue, 7 Jan 2025 19:22:16 +0000
Subject: [IGSMAIL-8552] Open positions (2) at USNO in Earth Orientation
 Department
Message-ID: <DM4P111MB23336F25DE929A0200760294D311A@DM4P111MB2333.NAMP111.PROD.OUTLOOK.COM>

Hi IGS community-

Happy New Year! USNO has a couple of open positions related to GPS and GNSS processing:

USNO Earth Orientation GPS Analysis Division Open Position
The U.S. Naval Observatory (USNO) Earth Orientation Department is accepting applications for an open position in the GPS Analysis Division. USNO is located in Washington, DC and hosts an IGS Analysis Center (AC) producing and disseminating GPS and GNSS orbit, clock, and EOP estimates and predictions. Position duties include participating in USNO IGS AC activities such as analyzing and processing GPS and GNSS observation data and in related research as well as other division activities. More details can be found at job posting link below.

*Note that the position is only open to US citizens



The job announcement will be open until 15 Jan 2025.



For information and how to apply, please visit:  https://www.usajobs.gov/job/826333700

USNO Earth Orientation Parameter (EOP) Combination and Prediction Division Open Position
The U.S. Naval Observatory (USNO) Earth Orientation Department is accepting applications for an open position in the Earth Orientation Parameter (EOP) Combination and Prediction Division. USNO is located in Washington, DC and hosts the IERS Rapid Service and Prediction Center (RSPC) producing and disseminating daily Earth Orientation estimates and predictions. Position duties include participating in IERS RSPC activities such as analyzing EOP input data from VLBI, GPS, and other techniques, and participating in geodesy-related research as well as other division activities. More details can be found at job posting link below.

*Note that the position is only open to US citizens



The job announcement will be open until 13 Jan 2025.



For information and how to apply, please visit:   https://www.usajobs.gov/job/825905600


For any questions, please contact me at: sharyl.m.byram.civ at us.navy.mil

Thanks!
-Sharyl

Sharyl Byram, PhD
Chief, EOPCP and GPS Analysis Division
Earth Orientation Department
United States Naval Observatory
3450 Massachusetts Avenue NW
Washington, DC 20392
(202) 762-0185
sharyl.m.byram.civ at us.navy.mil

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From david.a.stowers at jpl.nasa.gov  Thu Jan  9 04:13:49 2025
From: david.a.stowers at jpl.nasa.gov (Stowers, David A (US 3350))
Date: Thu, 9 Jan 2025 04:13:49 +0000
Subject: [IGSMAIL-8553] IGS RINEX/data deliveries from JPL
Message-ID: <SA1PR09MB9419C96E75AE093CC51ACE6E8B132@SA1PR09MB9419.namprd09.prod.outlook.com>

Dear Colleagues,

Due to local winds and wildfires, there have been network and power issues affecting some of our computing systems.
We have switched to backup capabilities for now, but there may be more interruptions and delays as the situation unfolds.
Thank you for your patience and support.

Best regards,

-dave


David Stowers,  Jet Propulsion Laboratory/Caltech
Network Manager, Global Observing System - GNSS
Tracking Systems and Applications Section - 3350
4800 Oak Grove Drive, M/S 238-600, Pasadena, CA, USA
Tel. +1 818-354-7055<tel:+18183547055>, fax +1 818-393-4965<tel:+18183934965>, Email mailto:dstowers at jpl.nasa.gov<mailto:dstowers at jpl.nasa.gov>


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From sg.jin at yahoo.com  Tue Jan 14 05:21:04 2025
From: sg.jin at yahoo.com (Shuanggen Jin)
Date: Tue, 14 Jan 2025 05:21:04 +0000 (UTC)
Subject: [IGSMAIL-8554] Open Access GNSS articles at Satellite Navigation
References: <1197822599.7279624.1736832064263.ref@mail.yahoo.com>
Message-ID: <1197822599.7279624.1736832064263@mail.yahoo.com>

Dear Colleagues and Friends

Satellite Navigation, ISSN 2662-9291, is an open access international journal on original?theory, methods, results, techniques and applications of satellite and?other sensors?navigation,?published by the Springer Nature Publishing Group, which is indexed by?SCIE,?EI?and?Scopus etc.

Satellite Navigation?received the new?CiteScore of 19.4?and the new?Impact Factor of 9?in 2024 from Web of Science JCR, ranking in the?Q1?zone for the "Engineering, Aerospace" category, "Remote Sensing" category, and "Telecommunications" category.
More information can be found at?Satellite Navigation

| 
| 
| 
|  |  |

 |

 |
| 
|  | 
Satellite Navigation

-Today people couldn?t live without the service of navigation and position. With the extensive use of the satell...
 |

 |

 |




Welcome to download and spread it, e.g. new articles published by Satellite Navigation in 2024 below.


Best RegardsShuanggen Jin (Executive Editor-in-Chief)

===========================================================

Prof. Dr. Shuanggen Jin (Vice-President & AE Member)Shanghai Astronomical Observatory, CASHenan Polytechnic University, Jiaozuo, China
2001 Shiji Road, Jiaozuo 454003, China
Tel: +86-391-3986663; Fax: +86-391-3987673
Email:?sgjin at shao.ac.cn,?sgjin at hpu.edu.cnWebsite:?http://www.shao.ac.cn/geodesy==========================================================



| 

???Reviews   
   - Demand and key technology for a LEO constellation as augmentation of satellite navigation systems??   

   - Yuanxi Yang*, Yue Mao, Xia Ren, Xiaolin Jia and Bijiao Sun
   - Remote Sensing and its Applications using GNSS Reflected Signals: Advances and Prospects??   

   - Shuanggen Jin*, Adriano Camps, Yan Jia, Feng Wang, Manuel Martin Neira, Feixiong Huang, Qingyun Yan, Shuangcheng Zhang, Zhongyu Li, Komi Edokossi, Dongkai Yang, Zhiyu Xiao, Zhongmin Ma and Weihua Bai
   - Subcarrier modulated navigation signal processing in GNSS: a review??   

   - Zheng Yao*, Yunhan Qi and Mingquan Lu
   -    

???GNSS Signal Processing   
   - Dual-assisted high-precision tracking technique for wideband multiplexed signals in new generation GNSS??   

   - Yunhan Qi, Zheng Yao*, Mingquan Lu
   -    

???Precise Orbiting and Positioning   
   - GNSS gyroscopes: determination of angular velocity and acceleration with very high-rate GNSS??   

   - Yun Shi, Peiliang Xu*, Yuanming Shu and Xiaolin Meng
   - Crowdsourcing RTK: a new GNSS positioning framework for building spatial high-resolution atmospheric maps based on massive vehicle GNSS data??   

   - Hongjin Xu, Xingyu Chen, Jikun Ou and Yunbin Yuan*
   - An improved GNSS ambiguity best integer equivariant estimation method with Laplacian distribution for urban low-cost RTK positioning??   

   - Ying Liu, Wanke Liu*, Xiaohong Zhang, Yantao Liang, Xianlu Tao and Liye Ma
   - High-precision services of BeiDou navigation satellite system (BDS): current state, achievements, and future directions??   

   - Weiguang Gao, Wei Zhou, Chengpan Tang*, Xingxing Li*, Yongqiang Yuan and Xiaogong Hu
   - Multiple integer candidates ambiguity resolution: a unification ambiguity resolution algorithm??   

   - Shengfeng Gu*, Lizhe Fang and Weiping Jiang
   - Multipath mitigation for GPS/Galileo/BDS-3 precise point positioning with overlap-frequency signals??   

   - Jianghui Geng*, Honghai Zhang, Guangcai Li* and Yosuke Aoki
   - Multi-frequency smartphone positioning performance evaluation: insights into A-GNSS PPP-B2b services and beyond??   

   - Jiale Wang, Chuang Shi, Fu Zheng*, Cheng Yang, Xu Liu, Shuo Liu, Ming Xia, Guifei Jing, Tuan Li, Wu Chen, Qingcheng Li, Yong Hu, Yuan Tian and Yunfeng Shan
   - A reliable NLOS error identification method based on LightGBM driven by multiple features of GNSS signals??   

   - Xiaohong Zhang*, Xinyu Wang, Wanke Liu, Xianlu Tao, Yupeng Gu, Hailu Jia and Chuanming Zhang
   -    

???Navigation and Positioning Applications   
   - An initial investigation of the non-isotropic feature of GNSS tropospheric delay??   

   - Ying Xu*, Zaozao Yang, Hongzhan Zhou and Fangzhao Zhang
   - A rigorous real-time acoustic positioning method for ocean bottom seismic exploration??   

   - Jinye Ma, Shouchuan Fang* and Jianhu Zhao
   - Accurate and efficient floor localization with scalable spiking graph neural networks??   

   - Fuqiang Gu, Fangming Guo, Fangwen Yu, Xianlei Long*, Chao Chen, Kai Liu, Xuke Hu, Jianga Shang and Songtao Guo
   - Amplitude scintillation detection with geodetic GNSS receivers leveraging machine learning decision tree??   

   - Wang Li, Yiping Jiang*, Hongyuan Ji and Wenqiang Wei
   - Navigation performance analysis of Earth?Moon spacecraft using GNSS, INS, and star tracker??   

   - Dixing Wang, Tianhe Xu*, Min Li and Yali Shi?
   - Rapid early afterslip characteristics of the 2010 moment magnitude (Mw) 8.8 Maule earthquake determined with sub-daily GPS solutions??   

   - Kai Liu, Yangmao Wen*, Jing Zeng, Jianghui Geng, Zhao Li and Caijun Xu
   - A dual-base station constraint method to improve deformation monitoring precision consistency in strip regions??   

   - Cheng Hou, Junbo Shi*, Chenhao Ouyang, Jiming Guo and Jingui Zou
   - Equatorial plasma bubble model and integrity risk evaluation for ground based augmentation system in Hong Kong??   

   - Wang Li and Yiping Jiang*
   -    

???Precise Orbit Determination   
   - Orbit and clock products for quad-system satellites with undifferenced ambiguity fixing approach??   

   - Jiaqi Wu, Xingxing Li, Yongqiang Yuan*, Keke Zhang, Xin Li, Jiaqing Lou and Yun Xiong
   - Impacts of inter-satellite links on the ECOM model performance for BDS-3 MEO satellites??   

   - Chao Yang, Jing Guo*, Xiaolong Xu, Longyu Wang and Qile Zhao
   - High-precision GPS orbit determination by integrating the measurements from regional ground stations and LEO onboard receivers??   

   - Kai Li, Chengpan Tang*, Shanshi Zhou, Xiaogong Hu and Xuhua Zhou
   -    

???Time Reference and Timing   
   - Long-term autonomous time-keeping of navigation constellations based on sparse sampling LSTM algorithm??   

   - Shitao Yang, Xiao Yi, Richang Dong, Yifan Wu, Tao Shuai, Jun Zhang, Qianyi Ren and Wenbin Gong*
   -    

???Mulit-Sensor Navigation and Positioning   
   - Underwater inertial error rectification with limited acoustic observations??   

   - Hongqiong Tang, Hongyang He, Fangneng Li* and Jiangning Xu
   - Analysis of the gain factors of 5G-assisted BDS RTK positioning in urban environments??   

   - Weixiang Chen, Tengfei Wang*, Zheng Yao, Mingquan Lu, Yi Wang and Cheng Li
   - GNSS/IMU/LO integration with a new LO error model and lateral constraint for navigation in urban areas??   

   - Hanzhi Chen, Rui Sun, Qi Cheng, Tong Yin*, Yi Zhou and Washington Yotto Ochieng
   - Improving the underwater navigation performance of an IMU with acoustic long baseline calibration??   

   - Paipai Wu, Wenfeng Nie*, Yangfan Liu and Tianhe Xu
   -    

???GNSS Remote Sensing   
   - Characterizing extreme drought and wetness in Guangdong, China using global navigation satellite system and precipitation data??   

   - Hai Zhu, Kejie Chen*, Haishan Chai, Yuanbin Ye and Wenjian Liu
   - Retrieval of sea ice thickness using FY-3E/GNOS-II data??   

   - Yunjian Xie and Qingyun Yan*
   - A novel global grid model for soil moisture retrieval considering geographical disparity in spaceborne GNSS-R??   

   - Liangke Huang, Anrong Pan, Fade Chen*, Fei Guo, Haojun Li and Lilong Liu
   -    

???Geodesy and Geodynamics   
   - Determination of global geodetic parameters using satellite laser ranging to Galileo, GLONASS, and BeiDou satellites??   

   - Xingxing Li, Jiaqing Lou, Yongqiang Yuan*, Jiaqi Wu and Keke Zhang
 |


| 
|  |  |


| ??Satellite Navigation?Offers:


   
   - Present new results and progress on multi-frequency Global Navigation Satellite System (GNSS) theory and development, particularly BeiDou Navigation Satellite System
   - High quality peer-review and fast publication
   - Respected editors and an editorial board from around the globe
   - Quick decision and speedy online publication



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If you do not wish to receive future messages from?Satellite Navigation, please email?satellite-navigation at aircas.ac.cn?with the subject "unsubscribe"
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From david.a.stowers at jpl.nasa.gov  Wed Jan 15 04:55:59 2025
From: david.a.stowers at jpl.nasa.gov (Stowers, David A (US 3350))
Date: Wed, 15 Jan 2025 04:55:59 +0000
Subject: [IGSMAIL-8555] IGS RINEX/data deliveries from JPL (update)
Message-ID: <SA1PR09MB941937AB430D14108D3481308B192@SA1PR09MB9419.namprd09.prod.outlook.com>

Dear Colleagues,

As previously noted (both here and via news outlets), due to local winds and wildfires, there have been network and power issues affecting some of our computing systems. Many co-workers have been significantly affected as well. We continue to heed hazard warnings, as the circumstances contributing to the continuing fires have slightly waned but remain a real threat.

We have restored our primary systems, and services are in a normal but guarded operational state.

If issues are noted beyond the unavoidable delay of some data/products, please advise; we should be caught up with the backlog and current expected deliveries.

Again, thank you for your patience and support.

Best regards,

-dave


David Stowers,  Jet Propulsion Laboratory/Caltech
Network Manager, Global Observing System - GNSS
Tracking Systems and Applications Section - 3350
4800 Oak Grove Drive, M/S 238-600, Pasadena, CA, USA
Tel. +1 818-354-7055<tel:+18183547055>, fax +1 818-393-4965<tel:+18183934965>, Email mailto:dstowers at jpl.nasa.gov<mailto:dstowers at jpl.nasa.gov>


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From Peter.Steigenberger at dlr.de  Wed Jan 15 12:27:09 2025
From: Peter.Steigenberger at dlr.de (Peter.Steigenberger at dlr.de)
Date: Wed, 15 Jan 2025 12:27:09 +0000
Subject: [IGSMAIL-8556] Inclusion of SATELLITE/PLANE block in IGS satellite
 metadata file
Message-ID: <04e4bb762a07456b909b618ca19b36c5@dlr.de>

Dear colleagues,

I would like to inform you that starting with next week (GPS week 2350), an additional SATELLITE/PLANE block will be included in the IGS satellite metadata file. In addition to the orbital plane, the slot within the plane is given. This block has been added to the most recent format version 1.10 of the satellite metadata file which has been presented at the IGS Workshop in July 2024 in Bern and approved by the IGS governing board in October 2024.

https://files.igs.org/pub/resource/working_groups/multi_gnss/Metadata_SINEX_1.10.pdf

This information has been requested by the IGS Combination Task Force (CTF) to allow for a plane-specific grouping/weighting in the combination. Please note that several historic satellites as well as very recently launched satellites are currently missing due to lack of information. The information on orbital planes and slots has been compiled from the sources given in the file header. If you find any inconsistencies or can provide information that is currently missing, please let me know.

The latest version of the satellite metadata file is available at

https://files.igs.org/pub/station/general/igs_satellite_metadata.snx

previous versions are available at

https://files.igs.org/pub/station/general/old_sat_meta/


Best regards,

Peter Steigenberger


----------------------------------------------------
Peter Steigenberger
Deutsches Zentrum f?r Luft- und Raumfahrt e.V. (DLR)
German Space Operations Center Oberpfaffenhofen
D-82234 Wessling
Germany

Tel.    +49 (8153) 28-3765
Fax     +49 (8153) 28-1450
e-mail  peter.steigenberger at dlr.de<mailto:peter.steigenberger at dlr.de>
----------------------------------------------------

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From R.E.M.Riva at tudelft.nl  Wed Jan 22 11:08:17 2025
From: R.E.M.Riva at tudelft.nl (Riccardo Riva)
Date: Wed, 22 Jan 2025 11:08:17 +0000
Subject: [IGSMAIL-8557] Delft Summer School on Sea-Level Change
Message-ID: <BB22E8EB-A90A-456A-9672-3790746F4127@tudelft.nl>

Dear Colleagues,

Please find below the announcement of the 5th edition of the Delft Summer School on Sea-Level Change, to be held at TU Delft (NL) during 25-29 August 2025.


The School will provide Ph.D. students and junior scientists interested in sea level research with dedicated lectures and practical experience on advanced techniques and open challenges to measure, explain and predict sea level change. In addition, attendees will learn and discuss about how decision makers use available knowledge and assessment of uncertainties concerning future sea level change. The school has a strong component on hands-on learning, with practical exercises and various activities. Participants will also receive a training on science communication.


Thanks to the European Geosciences Union, we will be able to provide travel support for a few participants with limited financial resources and individuals from underrepresented countries and groups.


The registration deadline is 14 March 2025.

More info at:
https://1e.to/Delft-SeaLevel-SummerSchool


Kind regards,
Riccardo Riva

---
Dr. Riccardo E. M. Riva (he/him)
Sea level and solid earth scientist
Dept. Geoscience and Remote Sensing - Delft University of Technology - Delft - The Netherlands
Email: r.e.m.riva at tudelft.nl - Tel. +31 15 278 7394 - Room 23.HG 2.24
Zoom: https://tudelft.zoom.us/j/5818270746

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From Peter.Steigenberger at dlr.de  Fri Jan 24 08:58:59 2025
From: Peter.Steigenberger at dlr.de (Peter.Steigenberger at dlr.de)
Date: Fri, 24 Jan 2025 08:58:59 +0000
Subject: [IGSMAIL-8558] Upcoming change in QZSS signal selection
Message-ID: <d8a3a2c54369428f9370c5241de54617@dlr.de>

Dear colleagues,

so far, the QZSS orbit and clock products of the analysis centers of the IGS Multi-GNSS Pilot Project (MGPP) are based on the ionosphere-free linear combination of the L1C/A and L2C signals. The L1C and L5 signals also transmitted by QZSS are currently not considered.

The launch of the next QZSS satellite is scheduled for February 1, 2025. Like all future QZSS satellites, QZS-6 will not transmit any signals on L2. Furthermore, the L1C/B signal will be transmitted instead of L1C/A. Therefore, the MGPP analysis centers decided to switch to L1C and L5 for their product generation in order to be able to cover QZS-6 as well as future QZSS satellites. This switch will be done together with the transition to the IGb20 reference frame, i.e, starting with the products of GPS week 2352 (2 February 2025). Phase center offsets and phase patterns for L5 as provided by Cabinet Office, Government of Japan (https://qzss.go.jp/en/technical/qzssinfo/index.html) are already included in the IGS antenna model igs20.atx.

Please note that an IGS BDS-3/QZSS satellite antenna calibration campaign is currently under way to generate an antenna model consistent with the IGS20/IGb20 reference frame for these two systems. As a consequence of that campaign, the signal selection of the BeiDou-3 MGPP orbit and clock products will be changed to B1C/B2a in the near future. The date for that switch is not yet defined but is intended to be identical with the transition to the new antenna model for BeiDou-3 and QZSS.

Best regards,

Peter Steigenberger, on behalf of the Multi-GNSS Pilot Project


----------------------------------------------------
Peter Steigenberger
Deutsches Zentrum f?r Luft- und Raumfahrt e.V. (DLR)
German Space Operations Center Oberpfaffenhofen
D-82234 Wessling
Germany

Tel.    +49 (8153) 28-3765
Fax     +49 (8153) 28-1450
e-mail  peter.steigenberger at dlr.de<mailto:peter.steigenberger at dlr.de>
----------------------------------------------------

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From claudio.abbondanza at jpl.caltech.edu  Fri Jan 24 00:00:24 2025
From: claudio.abbondanza at jpl.caltech.edu (Claudio Abbondanza)
Date: Thu, 23 Jan 2025 16:00:24 -0800
Subject: [IGSMAIL-8559] Announcing JTRF2020-u2022
Message-ID: <jodbozxlpfwzpepwsx3ntljtrt7t5tqsuapkl2kiletyddxijy@h3ti3vdf3mwi>

Dear JTRF Users,

We are pleased to announce that JTRF2020-u2022, the JPL-Caltech first update 
of JTRF2020, is ready to be released and distributed to the community.
JTRF2020-u2022 has been computed by running SREF -the square-root information 
filter and smoother algorithm developed at JPL to estimate terrestrial
reference frames- in update mode. 

In computing JTRF2020-u2022, SREF adopts the conceptual framework of Bayesian
update inherent to any Kalman filter formulation: the latest estimate
of JTRF2020 state and its covariance (YEAR 2020, DOY 366, GPS Week 2138) gets
uploaded and subsequently updated by assimilating at daily intervals the extended
frame inputs made available by IGS (IGSR3-igr3.atx), IVS (ivs2023b), ILRS (ilrsav86),
and IDS (idswd23) from 2021 through the end of 2022 (DOY 330, GPS Week 2237).
Afterwards, with SREF running in forecast mode, station positions are
predicted through the end of 2027 (DOY 365, GPS Week 2503).

JTRF2020-u2022 consists of 2556 daily "gzipped" SINEX files in 'VARIANCE-COVARIANCE'
format containing geocentric coordinates along with their full covariance 
from 931 stations, the full JTRF2020 network. It is worth observing that, although 
new space-geodetic stations acquiring observations after the end of 2020 have been 
made available and included in the frame inputs by the Technique Centers, 
JTRF2020-u2022 does not adopt them. 

The first 695 SINEX files of JTRF2020-u2022 span the updated frame-defining
interval from 2021 (DOY 001, GPS Week 2138) through the end of 2022
(DOY 330, GPS Week 2237). The remaining 1861 SINEX files relate to
the forecast interval from 2022 (DOY 332 GPS Week 2238) through the end
of 2027 (DOY 365, GPS Week 2503) during which SREF stopped assimilating
frame inputs and started operating in forecast mode.

For those of you interested in JTRF2020-u2022, its daily SINEX files
(containing station positions only) can be accessed from the
following URL:

https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts

Note that the parent directory JTRF2020_Latest_Updated_Forecasts contains
in turn four additional sub-directories named GNSS, VLBI, SLR, DORIS 
each of which hosts 2556 SINEX files characterized by

  (*) GNSS  Stations only in ./JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/GNSS
  (*) VLBI  Stations only in ./JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/VLBI
  (*) SLR   Stations only in ./JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/SLR
  (*) DORIS Stations only in ./JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/DORIS

There is a fifth sub-directory ./JPL_SREF_Products/JTRF2020/FULL which
stores 2556 SINEX files with station positions from 931 stations (the full
JTRF2020 network) along with their full covariance (including the
inter-technique covariances).

The daily SINEX files available at

https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/

have been grouped in sub-directories categorized by year.
For instance, the sub-directory

https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/GNSS/2022

stores the GNSS-only JTRF2020-u2022 SINEX files for the year 2022.

The JTRF2020-u2022 SINEX files under JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts
are all characterized by unique, non-ambiguous file names adopting the
following convention:

YYYY-MM-DD-noon_jtrf2020_u2022_techID.snx.gz

where

  (*) YYYY   is a 4-digit integer value denoting the Gregorian Year
  (*) MM     is a 2-digit integer value denoting the Month
  (*) DD     is a 2-digit integer value denoting the Day of the Month
  (*) techID is a lowercase string denoting the technique (i.e. gnss, vlbi, slr, doris).

Please, note that for the JTRF2020-u2022 SINEX files under 

./JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/FULL

the string _techID is not defined (i.e. YYYY-MM-DD-noon_jtrf2020_u2022.snx.gz).

GNU wget, as well as cURL, can be used to download the JTRF2020-u2022 files.
Here is a couple of examples:

(1) mkdir ./GNSS & wget -b -r -np -P ./GNSS -R "*index.html*" "*.snx" -nH --cut-dirs=4 https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/GNSS/2027
(2) mkdir ./GNSS & wget -b -r -np -P ./GNSS -R "*index.html*" "*.snx" -nH --cut-dirs=4 https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/JTRF2020_Latest_Updated_Forecasts/GNSS

(1) will download in background mode the GNSS-only JTRF2020-u2022 SINEX files
    for the year 2027 in the directory ./GNSS/2027.
(2) will download in background mode the GNSS-only JTRF2020-u2022 SINEX files
    the whole sub-directory JTRF2020-u2022/GNSS.

The Users are advised that daily EOPs have been removed from the
SINEX files gathered in https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/
and will be made available as a separate JTRF2020-u2022 product.

As of this writing, the URL

https://www.jpl.nasa.gov/site/jsgt/jtrf/

is being populated with the entire set of JTRF2020-u2022 products.
We'll be sending out an official email to the community as soon as
the JTRF2020 website gets fully populated with all of the 
JTRF2020-u2022-related files and products.

For those users eager to test time series products out, we made available station 
position time series expressed in the the same ASCII file format consistently adopted
throughout the JTRF website. Such time series can ben found at the following 
URL: 

https://sideshow.jpl.nasa.gov/pub/JPL_SREF_Products/JTRF2020_Additional_Products/jtrf2020-u2022/stations/ 

The structure of the sub-directories under jtrf2020-u2022/stations is 
self-explanatory with the usual distinction in XYZ and ENU time series 
products. It is worth observing that the sub-directories contain time 
series data for all of the 931 stations constituting JTRF. Such time series 
are constructed by "merging" the JTRF2020 with the JTRF2020-u2022 time series 
products.

We wish to acknowledge the crucial contributions provided by the Technique Services
(IVS, ILRS, IGS, IDS) and their tremendous efforts put into the re-analyses
of the space-geodetic databases.

We also would like to thank the ITRS Combination Centres at IGN and
DGFI for their gracious support throughout the JTRF2020-u2022 analyses.

For any comment, question or specific request, please do feel free to contact us.
We will be delighted to accommodate your requests and to help you integrate
JTRF products into your reduction procedures.

We hope you will be able to enjoy JTRF2020-u2022 and we really look forward to having your feedback.

With our warmest regards,

Claudio Abbondanza,
on behalf of the TRF Team at JPL-Caltech

Richard Gross
C Abbondanza
T Chin
M Heflin

From benjamin.maennel at gfz.de  Fri Jan 24 19:41:42 2025
From: benjamin.maennel at gfz.de (=?UTF-8?Q?Benjamin_M=C3=A4nnel?=)
Date: Fri, 24 Jan 2025 20:41:42 +0100
Subject: [IGSMAIL-8560] Release of Software for Precise Orbit and Clock
 Combination (SPOCC)
Message-ID: <1b30ab9f-6e06-41c0-ac57-9771d9b5ef91@gfz.de>

Dear colleagues,

I am pleased to inform you about the release of the Software for Precise 
Orbit and Clock Combination (SPOCC). SPOCC is an advanced tool for 
combining GNSS products for satellite positions and clock corrections 
via weighted averaging with weights determined by variance component 
estimation. Different weighting schemes over constellations, satellite 
block types, or individual satellites await your application. SPOCC is 
written in Python, allowing for code extensions, but it is also provided 
in a Docker environment for easy usage on all platforms.

If you prefer a trailer, you might watch the SPOCC presentation given by 
Radoslaw Zajdel at the last IGS workshop: 
https://www.youtube.com/watch?v=olCJ_iad-hc

You are encouraged to test SPOCC?s capabilities. Please visit our 
webpage https://gnss.gfz.de/services/spocc for the instructions.

I want to take this opportunity to thank the developer team for their 
tremendous effort in realizing SPOCC. First of all, I have to mention 
Pierre Sakic (now at IPGP) and Gustavo Mansur (now at Trimble Inc.), who 
developed SPOCC since the first ideas. Over the years, Andreas Brack 
(GFZ) and Radoslaw Zajdel (GOP) contributed significantly to the 
algorithm development while Markus Bradke and Nils Brinckmann (both GFZ) 
supported the software implementation. Finally, we benefited greatly 
from all inputs, suggestions, and recommendations, especially from our 
IGS Combination Task Forces colleagues.

Best regards,
Benjamin (on behalf of the SPOCC developers)

-- 
Dr. Benjamin M?nnel
Group leader "GNSS Infrastructure and Analysis"
Section 1.1 Space Geodetic Techniques

Tel: +49 (0)331/6264-2815
Mail:benjamin.maennel at gfz.de

GFZ Helmholtz Centre for Geosciences
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From co at ggos.org  Mon Jan 27 08:00:06 2025
From: co at ggos.org (GGOS Coordinating Office)
Date: Mon, 27 Jan 2025 09:00:06 +0100
Subject: [IGSMAIL-8561] Call for Abstracts! - GGOS symposia at IAG 2025
Message-ID: <006001db7091$7ad21a00$70764e00$@ggos.org>

Dear colleagues,

 

We are excited to announce following GGOS-related symposia and sessions at the IAG Scientific Assembly 2025 in Rimini, Italy (September 1?5, 2025). Abstract submissions are now open until ? March 15, 2025:

 

? Symposium G06: Global Geodetic Observing System

*	G06-1: Contribution of geodesy to Earth observation
*	G06-2: Global geodetic infrastructure for Earth System Monitoring
*	G06-3: Standardisation, integration and optimisation of geodetic products
*	G06-4: Enhancement of GGOS collaboration at regional level

? Symposium G11: Geodesy for Society: Data Management, Policy Networking, and Public Engagement

*	G11-1: Data Management, Dissemination of Results, and Stakeholder Networking
*	G11-2: Geodesy at the Intersection of Science and Policy
*	G11-3: Communication, Education and Outreach in Geodesy

? Symposium J01: Geodetic Space Weather Research

? Symposium J02: Artificial Intelligence and Machine Learning in Geodesy

*	J02-1: Geodetic Machine Learning: Theoretical Challenges and Opportunities for Geodesy
*	J02-2: AI for Deformation Analysis and GNSS Remote Sensing: Earth, Atmosphere and Natural Hazards
*	J02-3: Decoding Earth?s Dynamics: Machine Learning Frontiers in EOP and Gravity Field Assessment

? Symposium J03: Geohazard Monitoring through Geodesy

 

For more information and to submit your abstract, visit the official IAG Scientific Assembly 2025 website: 

 

https://eventi.unibo.it/iag2025/abstract-guidelines

 

We look forward to your contributions and to the vibrant discussions that will shape the future of geodesy!

 

Best regards,

Laura S?nchez, President of GGOS

Martin Sehnal, Director of GGOS CO

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From arturo.villiger at swisstopo.ch  Wed Feb 12 07:44:09 2025
From: arturo.villiger at swisstopo.ch (arturo.villiger at swisstopo.ch)
Date: Wed, 12 Feb 2025 07:44:09 +0000
Subject: [IGSMAIL-8562] igs20_2353.atx: Update including GLONASS R733 and
 R803 PRN change
Message-ID: <6fc066c5ddc04b6eb3f8ff32b8584b30@swisstopo.ch>

Dear colleagues

The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
The new release is called 'igs20_2353.atx'. It contains the following changes:



1)  According to the IGS satellite metadata SINEX file released (modification of the 5. February 2025, (IGS satellite metadata file<https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*iefme9*_ga*NTU2NDgyMzczLjE3MzI0NzU1MTA.*_ga_Z5RH7R682C*MTczOTI4MDAzNS41LjEuMTczOTI4MDEwMS42MC4wLjA.>) following modifications have been made:

  Decommissioned:

    R06 (R803): decommission date: 2025 02 01 04 30 30

    R26 (R733): decommission date: 2025 02 01 02 15 00



Added

    R06 (R733): valid from: 2025 02 01 05 00 00

    R26 (R803): valid from: 2025 02 01 04 31 00



2) 6 additional antenna type calibrations have been added:



  *   Three robot calibration from Geo++ GmbH provided by Shanghai Huace Navigation Technology Ltd. have been added:

  CHCI89          NONE

   CHCI93          NONE

   GMTGAT10        NONE



  *   One additional robot antenna calibration was added

   GNXZENITH55     NONE

According to GNXZENITH55 amd GMXZENITH60 are identical in construction. Therefore, calibrations values were copied from "GNXZENITH60     NONE"



  *   One additional robot calibration from Geoscience Australia provided by Kurloo Technology Pty Ltd. has been added

   KRL_FTYPE       NONE



  *   One additional robot calibration from Geo++ GmbH provided by Stonex SRL has been added

   STXS880         NONE



The updated antenna correction model is available a

https://files.igs.org/pub/station/general/igs20_2353.atx

and

https://files.igs.org/pub/station/general/igs20.atx.gz <https://files.igs.org/pub/station/general/igs20.atx.gz%20%0d>

Best regards,

Arturo
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From jcrodriguez at transportes.gob.es  Fri Feb 14 09:42:23 2025
From: jcrodriguez at transportes.gob.es (=?iso-8859-1?Q?Rodr=EDguez_P=E9rez_Jos=E9_Carlos?=)
Date: Fri, 14 Feb 2025 09:42:23 +0000
Subject: [IGSMAIL-8563] Geodetic Infrastructure @IAG Scientific Assembly 2025
Message-ID: <DU0PR08MB7486FFF07B62FDCF884E92B395FE2@DU0PR08MB7486.eurprd08.prod.outlook.com>

Dear geodesy colleagues,

We wish to call your attention to session G06-2: "Global Geodetic Infrastructure for Earth System Monitoring" of Symposium 6 "Global Geodetic Observing System" at the IAG Scientific Assembly in Rimini (Italy, 1-5 September 2025).

The geodetic infrastructure is the foundation stone without which our observations, products and flow of data would just not exist. We are eager to hear about any developments in this area that contribute to an improvement of geodetic infrastructure, its quality or capabilities, successful deployment stories, simulation studies, new concepts, and everything else related to this topic.

Please find below the description of this session, and do send us your abstract by March 15th. You can find all the details about the IAG Scientific Assembly, including abstract guidelines and submission information, here:

https://eventi.unibo.it/iag2025

Hoping for your participation and to seeing you in Rimini.

Best regards,

Jos? Rodr?guez
Martin Lidberg
Lucia McCallum
Cornelia Eschelbach


G06-2: Global geodetic infrastructure for Earth System Monitoring

The Global Geodetic Observing System (GGOS) of the IAG provides measurements of the static and time-varying shape, orientation and gravity field of the Earth, using geodetic instrumentation located on the ground and onboard spacecraft. The deployment of the observing networks, technological developments, multi-technique integration, and improvements in modelling capabilities have all led to geodesy being able to provide critical contributions, both scientifically and for wide societal benefit. The refinement in the applications and use cases that depend on geodetic products, especially in science areas concerned with global change (e.g. global water cycle, sea level, climate change), or the monitoring and early warning of geohazards, impose stringent requirements on the products provided by GGOS. What makes this all possible, i.e. the set of observatories, analysis, data and combination centres, and the human resources involved, is what the United Nations Global Geodesy Centre of Excellence calls the Global Geodesy Supply Chain. The infrastructure part of this supply chain, at the GGOS level, is overseen by the GGOS Bureau of Networks and Observations.

Among the most prominent products of the geodesy supply chain are the various reference frames (geometry, height, gravity) required to provide a common link in space and time for scientific observations, as well as for applications such as positioning and navigation on land, sea, air and space. Other than the constant upkeep and modernisation of the geodetic supply chain, the increasing demands in precision, accuracy and consistency make it paramount that any systematic errors within and between the techniques be identified and resolved, paving the way to the GGOS requirements of 1 mm and 0.1 mm/yr (or equivalent). In this session, we solicit contributions on the infrastructure aspects of the global geodetic observing system, such as:

  *
Advances in space geodesy technology.
  *
Progress and updates of the networks of the IAG Services, including national networks.
  *
New space missions with geodetic relevance and related supporting infrastructure.
  *
Infrastructure for the realisation of the height and gravity reference systems.
  *
Local geodetic surveys and progress on space ties.
  *
Detection and mitigation of systematic errors.
  *
Simulation results showing pathways to achieve the GGOS goals.

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From arturo.villiger at swisstopo.ch  Mon Feb 17 20:42:52 2025
From: arturo.villiger at swisstopo.ch (arturo.villiger at swisstopo.ch)
Date: Mon, 17 Feb 2025 20:42:52 +0000
Subject: [IGSMAIL-8564] igs20_2354: Update replacing preliminary values for
 satellites GPS BLOCK IIIA G079, Galileo E225-E227, and E232
Message-ID: <3f78b43f9507440597dd24668273ba8c@swisstopo.ch>

Dear colleagues

The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
The new release is called 'igs20_2354.atx'. It contains the following changes:

1) Update of the preliminary PCO for GPS BLOCK IIIA satellite G079 (G28) based on the disclosed PCOs. In order to be compatible with the ITRF2020 scale
  The z-PCO has been modified by adding the scale offset of +8.9 cm. Disclosed values: GPS Technical References | Navigation Center<https://www.navcen.uscg.gov/gps-technical-references>


2) Update of the preliminary PCO and PV pattern for Galileo satellites E225 (E29), E226 (E23), E227 (E06), and E232 (E16) according to the disclosed pattern (GSAT_2340.atx). z-PCOs are adapted for scale compatibility with the ITRF2020 by adding an offset of +15.6 cm:
    Disclosed values: Galileo Satellite Metadata | European GNSS Service Centre (GSC)<https://www.gsc-europa.eu/support-to-developers/galileo-satellite-metadata>


The updated antenna correction model is available a

https://files.igs.org/pub/station/general/igs20_2354.atx

and

https://files.igs.org/pub/station/general/igs20.atx.gz <https://files.igs.org/pub/station/general/igs20.atx.gz%20%0d>

Best regards,
Arturo
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From craddock at igs.org  Tue Feb 18 23:22:57 2025
From: craddock at igs.org (Allison Craddock)
Date: Tue, 18 Feb 2025 15:22:57 -0800
Subject: [IGSMAIL-8565] Fwd: Call for Abstracts: IAG 2025 Scientific
 Assembly session on "Geodesy at the Intersection of Science and Policy"
In-Reply-To: <FC9FF733-F94F-45A5-84E3-8DC0EE54ED66@jpl.nasa.gov>
References: <FC9FF733-F94F-45A5-84E3-8DC0EE54ED66@jpl.nasa.gov>
Message-ID: <CAGo7kFnYsTZ6ccEhHPpd9WSMrOGfwL80FtkYQQvkfh3WY=vkvg@mail.gmail.com>

Dear Colleagues,

Abstract submission for the IAG 2025 Scientific Assembly (1-5
September 2025) session on "Geodesy at the Intersection of Science and
Policy," is now open! This session is part of the Global Geodetic
Observing System (GGOS) Symposium, G11: Geodesy for Society: Data
Management, Policy Networking and Public Engagement.

Session Description:
Our Earth is a living, breathing planet that is constantly changing,
and our precise position on this changing planet creates a common
language that translates so much about our existence into meaningful
knowledge. While almost everyone uses geodesy in some way, very few
people understand the science and infrastructure that goes into
providing positioning and gravity data reliably and sustainably enough
to fuel trusted Earth intelligence. Raising awareness is key to
securing sustainable investment in geodesy, and facilitates the
understanding and appreciation of geodesy in a way that engages not
only technical users but also policy makers.

We welcome and encourage abstracts exploring:
-  Effective communication, advocacy, and political efforts to
increase the visibility and sustainability of geodesy in the policy
arena.
-  Use cases of successful funding proposals/campaigns, especially
those that bridge the science- policy interface.
-  Examples of trans-disciplinary collaborations with geodesy
stakeholder networks providing a scientific basis for policy
decisions.

We look forward to receiving your abstracts by March 15 here:
https://eventi.unibo.it/iag2025/abstract-guidelines
Event website: https://eventi.unibo.it/iag2025
Session description:
https://eventi.unibo.it/iag2025/abstract-guidelines/g11-geodesy-for-society-data-management-policy-networking-public-engagement.pdf/@@download/file/G11-Geodesy%20for%20Society,%20Data%20Management,%20Policy%20Networking,%20Public%20Engagement.pdf

With best regards from the session co-chairs,

Allison Craddock (NASA Jet Propulsion Laboratory) and Basara Miyahara
(Geospatial Information Authority of Japan)

From Stefan.Schaer at swisstopo.ch  Fri Feb 21 12:09:18 2025
From: Stefan.Schaer at swisstopo.ch (Stefan.Schaer at swisstopo.ch)
Date: Fri, 21 Feb 2025 12:09:18 +0000
Subject: [IGSMAIL-8566] G21/G045 repositioning (21-Feb-2025)
Message-ID: <371fed6dd4af43b9a53ad65126515395@swisstopo.ch>

NOTIFICATION:

We observed a repositioning event with respect to G21/G045 on:

21-Feb-2025 03:40:17 GPST (mean epoch of event)

The estimated components of the velocity change will be given in our
IGS analysis summary for GPS week 2354.

Approximate DV components in orbital frame:
      2.8 mm/sec (radial)
   -580.4 mm/sec (along track)
    -12.6 mm/sec (out of plane)

The CODE AC Team
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From moez.jilani at ign.fr  Fri Feb 21 12:31:17 2025
From: moez.jilani at ign.fr (Moez Jilani)
Date: Fri, 21 Feb 2025 12:31:17 +0000
Subject: [IGSMAIL-8567] IGS cumulative SINEX solution: switch to IGb20 frame
Message-ID: <PR0P264MB3498C0AD9C2CC3BFE9821A479AC42@PR0P264MB3498.FRAP264.PROD.OUTLOOK.COM>

Dear colleagues,
Upon user request, an update of the IGS cumulative SINEX solution was just released, following the switch of the IGS final products to the IGb20 reference frame (see IGSMAIL-8543). The corresponding files are available at ftp://igs-rf.ign.fr/pub/2352:


  *
IGS0OPSSNX_1994002_2025039_00U_SOL.SNX.gz: full SINEX file (~4 Gb)
  *
IGS0OPSSNX_1994002_2025039_00U_CRD.SNX.gz: full SINEX file without covariance matrix
  *
IGS0OPSSNX_1994002_2025039_00U_DSC.SNX.gz: associated discontinuity list (now consistent with the ITRF2020-u2023 / IGb20 discontinuity list)
  *
IGS0OPSSNX_1994002_2025039_00U_PSD.SNX.gz: associated post-seismic deformation models (now consistent with the ITRF2020-u2023 / IGb20 post-seismic deformation models)
  *
IGS0OPSSNX_1994002_2025039_00U_SUM.SUM.gz: long-term stacking summary

The 8-week update cycle of the IGS cumulative SINEX solution will now resume, with the next update to be provided after the IGS SINEX combination of week 2360.

Best regards,

Moez Jilani, Hugo Bontempi, Paul Rebischung

Contact: igs-rf at ign.fr

?Moez
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From Peter.Steigenberger at dlr.de  Mon Feb 24 13:34:13 2025
From: Peter.Steigenberger at dlr.de (Peter.Steigenberger at dlr.de)
Date: Mon, 24 Feb 2025 13:34:13 +0000
Subject: [IGSMAIL-8568] BeiDou-3 satellites C47 and C49
Message-ID: <b8b70e1f83c8405e85f205b481d549fa@dlr.de>

Dear colleagues,

The most recent pair of BeiDou-3 MEO satellites with the PRN numbers C47 and C49 has been launched in September 2024. Both satellites started transmission of navigation signals already in October 2024. Regular broadcast ephemerides transmission started around January 20, 2025. However, the PRN/SVN/NORAD ID assignment has been missing so far. In the past, such assignments have been usually done with information from TLEs provided by space-track.org. However, the TLEs of both satellites are outdated (October/November 2024) preventing their usage for the assignment of the PRN/NORAD ID.

Last week, the Test and Assessment Research Center of the China Satellite Navigation Office (CSNO/TARC) published the PRN/NORAD ID assignment on their website: https://www.csno-tarc.cn/en/system/constellation

Following that information and the IGS convention that the lower NORAD ID has the lower SVN, the following preliminary assignment will be used within the IGS:

PRN C47 = NORAD ID 61186 = SVN C234

PRN C49 = NORAD ID 61187 = SVN C235

Please note that this assignment might change in the future as soon as updated TLEs are available allowing for a match between TLEs and broadcast ephemerides as space-track.org is the official source of the NORAD ID. Furthermore, please note that both satellites still have the status "testing", i.e., they are set unhealthy.

C234 and C235 are now included in the latest version of the IGS satellite metadata file available at https://files.igs.org/pub/station/general/igs_satellite_metadata.snx

Best regards,

Peter Steigenberger on behalf of the Multi-GNSS Pilot Project

----------------------------------------------------
Peter Steigenberger
Deutsches Zentrum f?r Luft- und Raumfahrt e.V. (DLR)
German Space Operations Center Oberpfaffenhofen
D-82234 Wessling
Germany

Tel.    +49 (8153) 28-3765
Fax     +49 (8153) 28-1450
e-mail  peter.steigenberger at dlr.de<mailto:peter.steigenberger at dlr.de>
----------------------------------------------------

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From robert.heinkelmann at gfz.de  Mon Feb 24 09:00:41 2025
From: robert.heinkelmann at gfz.de (Robert Heinkelmann)
Date: Mon, 24 Feb 2025 10:00:41 +0100
Subject: [IGSMAIL-8569] announcement of REFAG + UAW 2026, March 2--6, 2026,
 Munich
Message-ID: <018d01db869a$94dda1c0$be98e540$@gfz.de>

Dear IGS,

Please find a save-the-date flyer for IAG REFAG + IERS/GGOS UAW 2026
Conferences.

If the attachment doesn't make it through, please find all the information
at https://ggos.org/event/munich2026/

 

 

Thank you so much and best regards,

Robert

 

 

 

Dr. Robert Heinkelmann

Scientist

Sect.1.1: Space Geodetic Techniques

 

Tel.: +49 (0)331/6264-1144

Fax: +49 (0)331/6264-1111

Mail: heinkelmann at gfz.de

 

GFZ Helmholtz Centre for Geosciences

Public Law Foundation State of Brandenburg

Telegrafenberg, 14473 Potsdam | GERMANY

____________________________________

IERS Analysis Coordinator

 

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From co at ggos.org  Mon Feb 24 08:12:13 2025
From: co at ggos.org (GGOS Coordinating Office)
Date: Mon, 24 Feb 2025 09:12:13 +0100
Subject: [IGSMAIL-8570] IAG Commission 3 & GGOS meetings - save the date
Message-ID: <005701db8693$cf873220$6e959660$@ggos.org>

Dear colleagues,

 

We will be hosting three consecutive meetings in G?vle (Sweden) in autumn
2026.

 

Please join us for:

1) Tracking and Investigating Geodynamics and Earth Rotation - TIGER
Symposium in Geodesy (the 1st symposium of the IAG Commission 3 on Earth
Rotation and Geodynamics, in cooperation with the Journees meeting series) -
September 28th to October 1st, 2026

2) GGOS Topical Meeting on Geohazards - October 1st and 2nd, 2026

3) GGOS Days 2026 - October 5th to 7th, 2026

 

The meetings will be in a hybrid format. More details (e.g., website,
registration, abstract submission) will be shared soon.

 

We?re looking forward seeing you in autumn 2026!

 

Sincerely,

Rebekka Steffen (IAG commission 3 president), Laura Sanchez (GGOS
President), Martin Sehnal (GGOS Coordinating Office)

 

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From dmaggert at igs.org  Wed Feb 26 15:38:42 2025
From: dmaggert at igs.org (David Maggert)
Date: Wed, 26 Feb 2025 08:38:42 -0700
Subject: [IGSMAIL-8571] New IGS Stations:  ALAC00ESP, MALL00ESP, RIO100ESP
Message-ID: <FB85970A-2668-4D40-B27A-4D0C717E26EF@igs.org>

Dear Colleagues,

We are pleased to announce the addition of the following stations to the IGS Network:

Site        Location                       Receiver         Antenna        Radome    Coverage           Sample Interval
ALAC00ESP   Alicante, Spain                LEICA GR50       LEIAR25.R3     LEIT      GPS+GLO+GAL+BDS    30s
MALL00ESP   Palma de Mallorca, Spain       LEICA GR50       LEIAR20        LEIM      GPS+GLO+GAL+BDS    30s
RIO100ESP   Logrono, Spain                 LEICA GR25       LEIAR25.R4     LEIT      GPS+GLO+GAL        30s


RINEX3 data is available from IGN and BKG.  The real-time data is available from the BKG caster.

We appreciate the Instituto Geografico Nacional de Espana for providing these IGS stations.


Best Regards,
David Maggert, IGS Network Coordinator
Markus Bradke, IGS Infrastructure Committee Coordinator
Ryan Ruddick, IGS Network Representative
Wolfgang S?hne, IGS Network Representative
Rui Fernandes, IGS Network Representative
Paul Rebischung, IGS Reference Frame Coordinator

From rolf.dach at unibe.ch  Fri Feb 28 15:30:10 2025
From: rolf.dach at unibe.ch (Rolf Dach)
Date: Fri, 28 Feb 2025 16:30:10 +0100
Subject: [IGSMAIL-8572] AIUB/DGFI-TUM: PhD positions in Reference Systems
In-Reply-To: <6ddf76ed-b360-4c92-ac85-66f7364a2bce@unibe.ch>
References: <6ddf76ed-b360-4c92-ac85-66f7364a2bce@unibe.ch>
Message-ID: <b429147f-e6d8-45a1-ad6c-5bed217ed556@unibe.ch>

Dear colleagues,

in the framework of a collaborative project, the Astronomical Institute 
of the University of Bern (AIUB, Switzerland) and the Deutsches 
Geod?tisches Forschungsinstitut of the Technical University of Munich 
(DGFI-TUM, Germany) are accepting applications for three

---------------------------------------------------------------------
Two PhD Positions at AIUB and one PhD Position at DGFI-TUM
---------------------------------------------------------------------

Positioning, navigation and monitoring of the earth system, especially 
sea level changes, require a very precise and long-term stable, unique 
global reference. The International Terrestrial Reference Frame (ITRF), 
which is calculated on the basis of long observation time series from 
the space-geodetic techniques VLBI, SLR, GNSS and DORIS, provides the 
global reference. However, the accuracy and long-term stability are not 
yet high enough to capture small changes in the Earth system with the 
target accuracy of 1 mm and 0.1 mm/year. Technical advancements in 
observation methods are expanding their individual potential, but this 
has not yet been fully exploited for the ITRF. A new joint project of 
AIUB and DGFI-TUM aims to improve the accuracy and long-term stability 
of future ITRF solutions by more effectively utilizing the strengths of 
different geodetic space techniques.


The complete position description is available at
https://www.bernese.unibe.ch/Stellen/stelle2503.pdf

or

https://www.dgfi.tum.de/media/filer_public/e0/1b/e01b7424-69ab-4a79-9bb2-0f60c279ed31/advertisement_aiub_dgfi-tum_referenceframes.pdf


Please circulate this information within your institute.


With best regards

Manuela Seitz and Rolf Dach

From wickert at gfz.de  Mon Mar  3 13:20:37 2025
From: wickert at gfz.de (Jens Wickert)
Date: Mon, 03 Mar 2025 14:20:37 +0100
Subject: [IGSMAIL-8573] New PhD Position at GFZ: Ionospheric irregularities
Message-ID: <4993b27f20ab024dadc747f15eb7b006@mail.gfz-potsdam.de>

Dear colleagues,

 

please note a recent announcement of a new PhD position 

on research on ionospheric irregularities using ground and 

satellite based GNSS data in our Section 1.1 Space Geodetic

Techniques at GFZ. 

 

The position description is available here:

https://www.gfz.de/en/career/job-offers/details/10203

Please circulate this information within your institute.

 

With kind regards

 

Jens Wickert

 



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From arturo.villiger at swisstopo.ch  Tue Mar  4 15:37:37 2025
From: arturo.villiger at swisstopo.ch (arturo.villiger at swisstopo.ch)
Date: Tue, 4 Mar 2025 15:37:37 +0000
Subject: [IGSMAIL-8574] igs20_2356: Update including two new BEIDOU-3M-SECM
 satellites (C234 and C235)
Message-ID: <d62d21ab92214a7bb853191d3024d27e@swisstopo.ch>

Dear colleagues

The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
The new release is called 'igs20_2356.atx'. It contains the following changes:

1) According to the IGS satellite metadata file<https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*a69uf*_ga*NTU2NDgyMzczLjE3MzI0NzU1MTA.*_ga_Z5RH7R682C*MTc0MTA5ODU4MC4xNS4xLjE3NDEwOTk0OTMuNjAuMC4w> two new BEIDOU-3M-SECM satellites C234 (C47) and C235 (C49) have been added. As preliminary PCO values the offsets have been copied from BEIDOU-3M-SECM satellite C225.
- BEIDOU-3M-SECM C47 (C234): Starting from 19. September 2024
- BEIDOU-3M-SECM C49 (C235): Starting from 19. September 2024

2) Three new antenna calibrations which have been performed by Geo++ GmbH:

  - Two antenna calibrations provided by JAVAD GNSS, INC.:
    JAVRINGANT_3L   NONE
    JAVRINGANT_3L   JAVD

 - One antenna calibration provided by Stonex SRL:
    STXS850         NONE

The updated antenna correction model is available a

https://files.igs.org/pub/station/general/igs20_2356.atx

and

https://files.igs.org/pub/station/general/igs20.atx.gz <https://files.igs.org/pub/station/general/igs20.atx.gz%20%0d>

Best regards,
Arturo






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From retegpsveneto at gmail.com  Tue Mar  4 21:46:06 2025
From: retegpsveneto at gmail.com (Rete GPS Veneto)
Date: Tue, 4 Mar 2025 21:46:06 +0000
Subject: [IGSMAIL-8575] PADO00ITA - station moving
Message-ID: <CAPWiS_Bu-5QJvf6eOEJxcNchD8Y20vfRS-F+ev1vJ7ECOW2OJw@mail.gmail.com>

Author: Mauro Bertocco

Dear colleagues,

We announce that the GNSS station PADO00ITA will be moved from the
current site to another one, in the building where CISAS will soon
move (about 250 meters from the current site).

The PADO00ITA station will cease to exist from 2025/03/06 and all the
equipment will be moved to the new site.
The new station will probably take the sitename PAD100ITA.
I will send another email once the change has occurred and the sitelog
of the new station will be created.

Best regards,
Mauro Bertocco

-- 
Rete GPS Veneto
CISAS G. COLOMBO
Universit? degli Studi di Padova
Via Venezia, 15 - 35131 Padova
tel.: +39 049 827 6849
sito web: https://retegnssveneto.cisas.unipd.it

From Peter.Steigenberger at dlr.de  Fri Mar  7 10:05:56 2025
From: Peter.Steigenberger at dlr.de (Peter.Steigenberger at dlr.de)
Date: Fri, 7 Mar 2025 10:05:56 +0000
Subject: [IGSMAIL-8576] PolaRx5 firmware 5.6.0 available
Message-ID: <72e7ce347ea5434bbb02bf6ebe58486d@dlr.de>

Dear colleagues,

Septentrio has recently published a new firmware version 5.6.0 for its PolaRx5 receiver which is widely used in the IGS network. From a multi-GNSS perspective, this firmware offers important new features:

* QZSS L1 C/B signal tracking: starting with QZS-6 launched in February this year, all future QZSS satellites will not transmit an L1 C/A signal anymore but switch to L1 C/B. Please note that also no L2 signal will be transmitted anymore.

* Support of QZSS PRNs J08-J10: QZS-6 will use J08 and signal transmission is expected to start soon. QZS-5 and QZS-7 using the other two PRNs are expected to be launched at the end of 2025 and the beginning of 2026, respectively.

* NavIC L1 tracking: starting with the NavIC satellite NVS-01 launched in May 2023, an L1 signal is transmitted in addition to L5 and S band.

The new firmware and the release notes are available at https://www.septentrio.com/en/products/gnss-receivers/gnss-reference-receivers/polarx-5

Direct download link for the firmware: https://www.septentrio.com/resources/PolaRx5/PolaRx5_fwp_5.6.0.zip

We would like to encourage to install this firmware to support the signals and satellites mentioned above. This firmware also supports the latest RINEX version 4.02 for receiver-generated RINEX files and we encourage to switch to this version for IGS file submissions.

Thanks for your support and best regards,

Markus Bradke on behalf of the IGS Infrastructure Committee
Peter Steigenberger on behalf of the IGS Multi-GNSS Pilot Project


----------------------------------------------------
Peter Steigenberger
Deutsches Zentrum f?r Luft- und Raumfahrt e.V. (DLR)
German Space Operations Center
Oberpfaffenhofen
D-82234 Wessling
Germany

Tel.    +49 (8153) 28-3765
Fax     +49 (8153) 28-1450
e-mail  peter.steigenberger at dlr.de
----------------------------------------------------
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From lsoudarin at groupcls.com  Fri Mar  7 15:43:12 2025
From: lsoudarin at groupcls.com (Soudarin Laurent)
Date: Fri, 7 Mar 2025 15:43:12 +0000
Subject: [IGSMAIL-8577] new composition of the IDS Governing Board and new
 GB chairperson
Message-ID: <PR0P264MB285433881DA83D494787B214C3D52@PR0P264MB2854.FRAP264.PROD.OUTLOOK.COM>

Dear colleagues,

I am pleased to announce here the composition of the new IDS Governing Board
and the election of Guilhem Moreaux (CLS, France) as the new chairman of the GB.

The composition of the IDS Governing Board for 2025-2026 is as follows:


  *   Guilhem Moreaux, France: Chairman and Combination Center representative
  *   Mathis Blossfeld, Germany: IERS representative
  *   Hugues Capdeville, France : Analysis Centers' representative
  *   Anna Kelley, USA: Data Centers' representative
  *   C?cile Manfredi, France: CNES System representative
  *   Laura Sanchez, Germany: Member at large
  *   J?r?me Saunier, France: IGN Network's Representative
  *   Ernst Schrama, The Netherlands: IAG representative
  *   Patrick Schreiner, Germany: Chair Working Group "Integrated Clock Correction Strategies for DORIS"
  *   Laurent Soudarin, France: Director of the Central Bureau
  *   Petr ?t?p?nek, Czech Republic: Analysis Coordinator
  *   Maria Tsakiri, Greece: Member at large
  *   Ningbo Wang, China: Chair Working Group "NRT Ionospheric Applications"

More information on the IDS website at https://ids-doris.org/organization/governing-board.html


Best regards,

Laurent Soudarin
IDS Central Bureau

________________________________

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From dmaggert at igs.org  Tue Mar 11 16:25:55 2025
From: dmaggert at igs.org (David Maggert)
Date: Tue, 11 Mar 2025 10:25:55 -0600
Subject: [IGSMAIL-8578] New IGS Station: NRMG00NCL
Message-ID: <B0C9A5DA-1192-4DD5-81E8-99A598AA12AC@igs.org>

Dear Colleagues,

We are pleased to announce the addition of the following station to the IGS Network:

Site        Location                       Receiver         Antenna        Radome    Coverage                           Sample Interval
NRMG00NCL   Noumea, New Caledonia          SEPT POLARX5     TRM57971.00    TZGD      GPS+GLO+GAL+BDS+QZSS+IRNSS+SBAS    30s, 1s


This station shares the same GNSS antenna as IGS station NRMD00NCL, but also provides tracking for NavIC.  RINEX3 daily files are available from CDDIS and IGN.  High rate RINEX3 is available from IGN.  Real-time data is available from the BKG caster.

We appreciate CNES and IGN for providing this IGS station.


Best Regards,
David Maggert, IGS Network Coordinator
Markus Bradke, IGS Infrastructure Committee Coordinator
Ryan Ruddick, IGS Network Representative
Wolfgang S?hne, IGS Network Representative
Rui Fernandes, IGS Network Representative
Paul Rebischung, IGS Reference Frame Coordinator

From adrian.jaeggi at unibe.ch  Sun Mar 16 12:36:15 2025
From: adrian.jaeggi at unibe.ch (=?UTF-8?Q?Adrian_J=C3=A4ggi?=)
Date: Sun, 16 Mar 2025 13:36:15 +0100
Subject: [IGSMAIL-8579] 
 =?utf-8?q?COSPAR_Symposium=2C_Session_PSD=2E1_=E2=80=93_Technica?=
 =?utf-8?q?l_Advances_in_Precision_Orbit_and_Attitude_Determination?=
Message-ID: <bd831e11-3850-4428-84ea-adc99d72639f@unibe.ch>

Dear colleagues,

we would like to draw your attention to the session "PSD.1: Technical 
Advances in Precision Orbit and Attitude Determination" organized at the 
upcoming Symposium of the Committee on Space Research (COSPAR), to be 
held in Nicosia, Cyprus, November 3 - 7, 2025. The symposium, themed 
"Space Exploration 2025: A Symposium on Humanity?s Challenges and 
Celestial Solutions", will bring together a diverse audience from around 
the world, including representatives from space and non-space companies, 
space agencies, international organizations, researchers, and the wider 
public.

PSD.1 session description:

The recent paradigm shift in space technology toward miniaturized 
sensors, smaller spacecraft, and more affordable launches is opening an 
unprecedented level of accessibility to data collection from space-based 
platforms. The technology sector has realized the concept of operating 
numerous small satellites with different payloads for spatially and 
temporally dense in situ data collection and for operational purposes. 
Information from these platforms is becoming increasingly reliable and 
relevant not only to the scientific community but also to the public.

Integrity of these space-borne measurements, however, is not warranted 
without knowledge on geolocation and orientation of satellite platforms. 
With the size of satellites decreasing, maintaining stability of small 
platforms becomes more challenging and, thus, knowing precise orbit and 
attitude becomes more important.

This session welcomes presentations discussing technical advances in 
precision orbit and attitude determination, particularly for small or 
nano satellites, as well as scientific results from the small satellites.

Please consider submitting an abstract to this dedicated orbit session. 
The deadline for abstract submission is April 4, 2025. We are looking 
forward to your contribution.

On behalf of the convenors of session PSD.1,

Adrian J?ggi

Co-convener: Shin-Chan Han

-- 
  -----------------------------------------------------------------------------
  Adrian Jaeggi                     Astronomical Institute, University of Bern
  adrian.jaeggi at unibe.ch            Sidlerstrasse 5, CH-3012 Bern, Switzerland
  http://www.aiub.unibe.ch/         Tel: +41 31 6848596
  -----------------------------------------------------------------------------


From rui at segal.ubi.pt  Mon Mar 24 23:21:29 2025
From: rui at segal.ubi.pt (Rui Fernandes)
Date: Mon, 24 Mar 2025 23:21:29 +0000
Subject: [IGSMAIL-8580] EUREF 2025 Symposium - First Announcement and Call
 for Papers
Message-ID: <f9a5170a-8feb-4d23-8fe4-561c9c20e54d@segal.ubi.pt>

Dear Colleagues,
(apologies for multiple posts but please forward to any potential interested 
colleague)

The Local and Scientific Organizing Committees are pleased to announce that the 
next EUREF Symposium will take place from 24 to 26 June 2025, at the University 
of Beira Interior, in Covilh?, Portugal.

This event will take place in two parts:
24th June: a technical Analysis Centre & Repro3 Workshop (hybrid)
25-26th June: the Symposium consisting of topical sessions

Important Dates:
? April 24 - Early Bird Registration Closes
? May 22 - Regular registration Closes
? May 26 Deadline for abstract submission

For more details see attached Circular and visit: https://euref2025.segal.ubi.pt

With Our Regards,

-- 
Rui Fernandes
on behalf of the LOC and SOC of EUREF 2025 Symposium
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From pawel.wielgosz at uwm.edu.pl  Tue Mar 25 10:33:25 2025
From: pawel.wielgosz at uwm.edu.pl (=?UTF-8?Q?Pawe=C5=82_Wielgosz?=)
Date: Tue, 25 Mar 2025 11:33:25 +0100
Subject: [IGSMAIL-8581] Symposium G05 @ IAG Scientific Assembly in Rimini
 (Sept. 2025)
Message-ID: <5461d478-9065-4f71-a82f-03dfcbd93df5@uwm.edu.pl>

Dear Colleagues,

The Scientific Assembly of the International Association of Geodesy 
(IAG) will take place from September 1?5, 2025, in Rimini, Italy. The 
extended Abstract submissions are open until *March 31, 2025*.

We would like to draw your attention to *Symposium G05: Advances in 
GNSS, Positioning Technologies, and Engineering Geodesy*. We encourage 
you to submit your contributions to the following scientific sessions:
G05-1: Emerging Positioning Technologies and GNSS Augmentations
G05-2: Multi-frequency, Multi-constellation GNSS
G05-3: GNSS for Tropospheric Studies
G05-4: Engineering Geodesy

For more details, please visit the official IAG Scientific Assembly 2025 
website:
https://eventi.unibo.it/iag2025

We look forward to your contributions.

Best regards

Pawel Wielgosz
Heidi Kuusniemi
Fabricio S. Prol
Jianghui Geng
Ningbo Wang
Cuixian Lu
Janis Kaminskis
 ?Artur Fischer
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From Salim.Masoumi at ga.gov.au  Thu Mar 27 22:32:56 2025
From: Salim.Masoumi at ga.gov.au (Salim Masoumi)
Date: Thu, 27 Mar 2025 22:32:56 +0000
Subject: [IGSMAIL-8582] Delay in IGS Rapid products of 2025085 [SEC=OFFICIAL]
Message-ID: <SY7PR01MB89800EE1B54AA5CDB206616CA3A12@SY7PR01MB8980.ausprd01.prod.outlook.com>

Dear Colleagues,

There was a delay of about 3 hours in depositing of the Rapid products of 2025, day 085 (GPS week 2359, day of week 3) to the global data centres. The delay was caused by a minor error in the depositing script after a recent change was implemented. The error has been corrected to prevent the issue in future.

Apologies for any inconvenience this may have caused.

Kind Regards,
Salim Masoumi
IGS ACC


Salim Masoumi Ph.D. |  GNSS Team Leader
GNSS Analysis Section  |  Positioning Australia Branch
Space Division

t +61 2 6249 9688    ga.gov.au<https://www.ga.gov.au/>

[cid:image001.png at 01DB9FC3.7B1B56F0]<https://www.ga.gov.au/>

Twitter<https://twitter.com/GeoscienceAus>  |  Facebook<https://www.facebook.com/GeoscienceAustralia>  |  YouTube<https://www.youtube.com/user/GeoscienceAustralia>  |  LinkedIn<https://www.linkedin.com/company/geoscience-australia>

Geoscience Australia acknowledges the traditional owners and custodians of Country throughout
Australia and acknowledges their continuing connection to land, waters and community. We pay our
respects to the people, the cultures and the elders past and present.


Geoscience Australia Disclaimer: This e-mail (and files transmitted with it) is intended only for the person or entity to which it is addressed. If you are not the intended recipient, then you have received this e-mail by mistake and any use, dissemination, forwarding, printing or copying of this e-mail and its file attachments is prohibited. The security of emails transmitted cannot be guaranteed; by forwarding or replying to this email, you acknowledge and accept these risks.
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From andrea.stuerze at bkg.bund.de  Tue Apr  1 12:00:59 2025
From: andrea.stuerze at bkg.bund.de (andrea.stuerze at bkg.bund.de)
Date: Tue, 1 Apr 2025 12:00:59 +0000
Subject: [IGSMAIL-8583] Updated Version 2.13.2 of the 'BKG NTRIP Client'
 (BNC)
Message-ID: <ab50de69c5bc4a17ba762d6a7264509e@bkg.bund.de>

Author: Andrea Stuerze

Dear Colleagues,

An updated version 2.13.0 of the 'BKG NTRIP Client' (BNC) is available from https://igs.bkg.bund.de/ntrip/bnc.  

This update contains the following changes and bug fixes: https://igs.bkg.bund.de/root_ftp/NTRIP/software/BNC/CHANGELOG.html.  

For suggestions or bug reports please do not hesitate to open a ticket at  https://software.rtcm-ntrip.org/wiki/BNC 

Sincerely, 

BKG Real-Time GNSS Team

From arturo.villiger at swisstopo.ch  Fri Apr  4 11:48:21 2025
From: arturo.villiger at swisstopo.ch (arturo.villiger at swisstopo.ch)
Date: Fri, 4 Apr 2025 11:48:21 +0000
Subject: [IGSMAIL-8584] igs20_2360: Update including new QZSS-3G satellite
 J006 and GLONASS-K2 satellite R804
Message-ID: <303e86a487bb468791af2b336887093b@swisstopo.ch>

Dear colleagues

The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
The new release is called 'igs20_236.atx'. It contains the following changes:

1) According to the IGS satellite metadata file<https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*a69uf*_ga*NTU2NDgyMzczLjE3MzI0NzU1MTA.*_ga_Z5RH7R682C*MTc0MTA5ODU4MC4xNS4xLjE3NDEwOTk0OTMuNjAuMC4w> two new satellites QZSS J007  (J08) and GLONASS R807 (R27) have been added. For the GLONASS K2 satellite R807 the same preliminary PCO values as for R803 have been used.

- QZSS-3G J08 (J007): Starting from 02. February 2025
- GLONASS-K2 R27 (R804): Starting from 02. March 2025

2) According to the IGS satellite metadata file<https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*a69uf*_ga*NTU2NDgyMzczLjE3MzI0NzU1MTA.*_ga_Z5RH7R682C*MTc0MTA5ODU4MC4xNS4xLjE3NDEwOTk0OTMuNjAuMC4w> one satellite, R716 (R27), has been decommissioned:
- GLONASS-M R27 (R716): Decommission day: 01. January 2020

3) Ten new antenna calibrations which have been performed by Geo++ GmbH:


  - Two antenna calibrations provided by Shanghai Huace Navigation Technology Ltd..:
       CHCI76          NONE
       CHCI83PRO       NONE

  - One antenna calibrations provided  by Shanghai EFIX Geomatics Co., Ltd.:
       EFIF8           NONE


  *   Four antenna calibrations provided by JAVAD GNSS, INC.:
      JAVGRANT_3LS    NONE
       JAVGRANT_3LS+GP JVSD
       JAVGRANT_G3T+GP JVSD
       JAVGRANT_G3T+   NONE

-  Three antenna calibration provided by Toknav Information Technology Co., Ltd.:
        TNVT20PRO       NONE
        TNVT20          NONE
        TNVT5LITE       NONE

The updated antenna correction model is available a

https://files.igs.org/pub/station/general/igs20_2360.atx.gz

and

https://files.igs.org/pub/station/general/igs20.atx.gz <https://files.igs.org/pub/station/general/igs20.atx.gz%20%0d>

Best regards,
Arturo






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From wangningbo at aoe.ac.cn  Mon Apr  7 13:24:58 2025
From: wangningbo at aoe.ac.cn (wangningbo at aoe.ac.cn)
Date: Mon, 7 Apr 2025 21:24:58 +0800
Subject: [IGSMAIL-8585] Invitation to the ICG Workshop on Ionospheric
 Impacts on GNSS During Current and Future Solar Activity Periods
Message-ID: <202504072124569711429@aoe.ac.cn>

Author: Ningbo WANG (AIR/CAS)

Dear colleagues,

We are pleased to announce that the International Committee on Global Navigation Satellite Systems (ICG) will host the Workshop on Ionospheric Impacts on GNSS and International Collaboration to Meet Current and Future Solar Activity Period Challenge, to be held in a hybrid format on 25?C26 June 2025 at the Vienna International Centre (VIC), Austria.

The workshop welcomes the participation of experts and policymakers from regional, national, and local institutions; private organizations; academic and research institutions; non-governmental organizations; and international agencies from both developed and developing countries. We especially encourage attendance from:

Members and service providers of the ICG
Experts in GNSS positioning and ionospheric monitoring
Professionals in the GNSS and space weather communities

The workshop aims to foster discussion on the impacts of ionospheric disturbances on GNSS and to promote coordinated international efforts to mitigate these effects during the current and upcoming periods of increased solar activity.

Further information and the application link are available on the workshop website:
https://www.unoosa.org/oosa/en/ourwork/icg/working-groups/b/workshop-on-ionospheric-impacts-on-gnss-2025.html

Application deadlines:
In-person attendance: 10 May 2025
Online participation: 31 May 2025

We look forward to your participation and collaboration in making this workshop a successful and impactful event.

Best regards,

Ningbo WANG, Ph.D Associate Professor
Aerospace Information Research Institute (AIR)
Chinese Academy of Sciences (CAS)
No 9 Dengzhuang South Road
Beijing China

Tel (+86) 186 7401 0516
e-mail wangningbo at aoe.ac.cn
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From arturo.villiger at swisstopo.ch  Thu Apr 10 12:59:42 2025
From: arturo.villiger at swisstopo.ch (arturo.villiger at swisstopo.ch)
Date: Thu, 10 Apr 2025 12:59:42 +0000
Subject: [IGSMAIL-8586] igs20_2361: Update including corrected COSPAR-ID for
 satellite R804
Message-ID: <d83001415ed64a8687dfd70ec033e82b@swisstopo.ch>

Dear colleagues

The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
The new release is called 'igs20_2361.atx'. It contains the following changes:

1) According to the IGS satellite metadata file<https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*a69uf*_ga*NTU2NDgyMzczLjE3MzI0NzU1MTA.*_ga_Z5RH7R682C*MTc0MTA5ODU4MC4xNS4xLjE3NDEwOTk0OTMuNjAuMC4w> two new satellites GLONASS R807 (R27) has the COPAR-ID 2025-042A (instead of 2025-040A). The entry is corrected

3) Three new antenna calibrations which have been performed by Geo++ GmbH:

-  One antenna calibration provided by tar Information Technology Co., LTD.:
       STCSDI          NONE

-  Two antenna calibrations provided by Toknav Information Technology Co., Ltd.:
       TNVT10PRO       NONE
       TNVT5           NONE

The updated antenna correction model is available at

https://files.igs.org/pub/station/general/igs20_2361.atx.gz

and

https://files.igs.org/pub/station/general/igs20.atx.gz <https://files.igs.org/pub/station/general/igs20.atx.gz%20%0d>

Best regards,
Arturo






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From rui at segal.ubi.pt  Thu Apr 24 09:55:07 2025
From: rui at segal.ubi.pt (Rui Fernandes)
Date: Thu, 24 Apr 2025 10:55:07 +0100
Subject: [IGSMAIL-8587] EUREF 2025 Symposium - Second Announcement and Call
 for Papers
In-Reply-To: <f9a5170a-8feb-4d23-8fe4-561c9c20e54d@segal.ubi.pt>
References: <f9a5170a-8feb-4d23-8fe4-561c9c20e54d@segal.ubi.pt>
Message-ID: <0f7a9e2c-0432-4992-abe1-12fce47c3bf1@segal.ubi.pt>

Dear Colleagues,
(apologies for multiple posts)


2^nd Announcement / Reminder

*https://euref2025.segal.ubi.pt*

*Dear Colleagues,*

We are pleased to share with you the 2nd Announcement for the upcoming EUREF 
Symposium and AC Workshop 2025, which will be held at the Universidade da Beira 
Interior (UBI) in Covilh?, Portugal, from June 24th to 26th, 2025.

*Symposium Program*

?June 24 ? AC & Repro3 Workshop: Focused technical discussions and knowledge 
exchange among EUREF Analysis Centers and Repro3 stakeholders.

?June 25?26 ? Main Symposium: Scientific sessions addressing key topics in 
European Geodesy, Reference Frames, and applications.

*Key Dates Recap*

*Deadline*

	

*Date*

Extended Early Bird Registration

	

May 2, 2025

Regular Registration Closes

	

May 22, 2025

Abstract Submission

	

May 26, 2025

Shuttle Service Registration

	

June 15, 2025

*Important Update: Extension of Early Bird Registration*

The early bird registration has been extended until May 2nd, 2025!

Participants wishing to benefit from the early rate must complete their 
registration by this date. Please note that while the payment can be made later, 
timely registration is mandatory to secure the discounted rate.

*National Reports & Poster Presentations*

National Reports are highly encouraged to be submitted in the form of poster 
presentations, with the possibility of being highlighted (1 pptx/pdf slide) 
during a dedicated poster introduction session. Alternatively, 5-minute oral 
slot within the program (session 2) is possible. A poster printing service will 
be made available (details to follow shortly).

*Shuttle Services*

Participants may register for the shuttle service at the time of general 
registration or separately at a later date once travel arrangements are 
confirmed. Please note that shuttle registration will close on June 15th, 2025, 
together with the general registration.

**

*More Information*

Symposium Website: https://euref2025.segal.ubi.pt

Contact: euref2025 at segal.ubi.pt

We look forward to welcoming you to Covilh? in June 2025!

-- 
Rui Fernandes
Principal Investigator at UBI - University of Beira Interior
Coordinator of Instituto D. Luis @ UBI
Coordinator of SEGAL - Space & Earth Geodetic Analysis Laboratory
Coordinator of C4G - Collaboratory for Geosciences
https://orcid.org/0000-0002-9733-284X
WhatsApp: +351 919999300
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From dmaggert at igs.org  Mon May 12 14:41:58 2025
From: dmaggert at igs.org (David Maggert)
Date: Mon, 12 May 2025 08:41:58 -0600
Subject: [IGSMAIL-8588] New IGS Station:  CACE00ESP
Message-ID: <5910F858-E120-4A51-A23D-5006AC354B73@igs.org>

Dear Colleagues,

We are pleased to announce the addition of the following station to the IGS Network:

Site        Location             Receiver      Antenna    Radome    Coverage           Sample Interval
CACE00ESP   Caceres, Spain       LEICA GR50    LEIAR20    LEIM      GPS+GLO+GAL+BDS    30s


RINEX3 data is available from IGN, BKG, and CDDIS.  The real-time data is available from the BKG caster.

We appreciate the Instituto Geografico Nacional de Espana for providing this IGS station.


Best Regards,
David Maggert, IGS Network Coordinator
Markus Bradke, IGS Infrastructure Committee Coordinator
Ryan Ruddick, IGS Network Representative
Wolfgang S?hne, IGS Network Representative
Rui Fernandes, IGS Network Representative
Paul Rebischung, IGS Reference Frame Coordinator

From camille.martire at igs.org  Thu May 15 17:36:00 2025
From: camille.martire at igs.org (Camille Martire)
Date: Thu, 15 May 2025 10:36:00 -0700
Subject: [IGSMAIL-8589] Registration Open for the Tour de l'IGS Stop #7 -
 Spotlight on Africa - 04 June 2025
Message-ID: <554cbf56-2fe3-43b0-b1b9-59370d2a507c@igs.org>

Dear Community Members,


We are pleased to invite you to the *7th stop of our Tour de l?IGS 
series: Spotlight on Africa*. The event will take place online *from 
1200 to 1520 UTC on the 4th of June 2025*. The detailed agenda and 
registration link can be found at 
https://igs.org/tour-de-ligs/#7th-stop-agenda.

This stop will feature research and operational GNSS projects executed 
by African institutions and scientists and/or using African data, will 
discuss continental-scale reference frames, and will close with an open 
discussion to gather community input.
This occurrence is organised and will be hosted by Fernand Bal? (Bureau 
National d?Etudes Techniques et de D?veloppement, C?te d?Ivoire) and 
Babatunde Rabiu (National Space Research and Development Agency, 
Nigeria), with support from the IGS Central Bureau.

*Registration is free and open to the whole community ; please register 
at your earliest convenience to gain access to this event: 
https://forms.gle/A5nyo8g9sjUDog3D9.*

Please feel free to forward this invitation to everyone and anyone you 
think might be interested.


Looking forward to you joining us on this stop,
Kind regards,

Camille Martire, on behalf of the IGS Central Bureau.

*Camille Martire, PhD *[????? | she/they 
<https://www.thehrcfoundation.org/professional-resources/talking-about-pronouns-in-the-workplace>]
 ??Research Technologist, NASA Jet Propulsion Laboratory 
<https://www.jpl.nasa.gov/>
 ??Central Bureau Deputy Director + Governing Board Executive Secretary, 
International GNSS Service <https://igs.org/>
camille.martire at jpl.nasa.gov, camille.martire at igs.org
Google Scholar <http://www.tinyurl.com/LeoMartireGoogleScholar>, ORCID 
<https://orcid.org/0000-0002-9402-6150>, LinkedIn 
<https://www.linkedin.com/in/lmartire/?locale=en_US>
/I work across several time zones, and I am sending this message now 
because it works for me. Feel free to read, act on, or respond at a time 
that works for you./
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From anna.klos at wat.edu.pl  Fri May 16 08:34:40 2025
From: anna.klos at wat.edu.pl (=?iso-8859-2?Q?K=B3os_Anna?=)
Date: Fri, 16 May 2025 08:34:40 +0000
Subject: [IGSMAIL-8590] Post-doc position
Message-ID: <583bcffbf11c44fb8e395593afcf1560@wat.edu.pl>

Dear Colleagues,

I am willing to hire a Post-doc in a joint Polish-German project funded by the National Science Center (NCN, Poland) and the German Research Foundation (DFG, Germany), entitled: A new approach for inferring spatially continuous multi-technique vertical land motion (VLM) models for coastal areas and sea level research", awarded under the OPUS-24 LAP competition. The PIs of the project are Prof. J?rgen Kusche, University of Bonn, and myself.

This is a fixed-term position for 33 months with expected start in September 2025 (or earlier).
Deadline for submission: June 2, 2025.

More details can be found here:
https://www2.ncn.gov.pl/baza-ofert/?akcja=wyswietl&id=228230

I would appreciate if you would inform interested applicants.

Best regards,
Anna Klos
Military University of Technology, Warsaw, Poland

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From Salim.Masoumi at ga.gov.au  Fri May 16 20:50:50 2025
From: Salim.Masoumi at ga.gov.au (Salim Masoumi)
Date: Fri, 16 May 2025 20:50:50 +0000
Subject: [IGSMAIL-8591] Delay in IGS Rapid products of 2025135 [SEC=OFFICIAL]
Message-ID: <SY7PR01MB8980B0F5399DC4C28AFAF640A393A@SY7PR01MB8980.ausprd01.prod.outlook.com>

Dear Colleagues,

There was a delay of about 4 hours in the availability of IGS combined Rapid products for the year 2025, day 135 (GPS week 2366, day of week 4). The delay was caused by a problem in reading the broadcast orbits. The products have now been generated and deposited to the global data centres.

Apologies for any inconvenience this may have caused.

Kind Regards,
Salim Masoumi
IGS ACC


Salim Masoumi Ph.D. |  GNSS Team Leader
GNSS Analysis Section  |  Positioning Australia Branch
Space Division

t +61 2 6249 9688    ga.gov.au<https://www.ga.gov.au/>

[cid:image001.png at 01DBC6F8.034368A0]<https://www.ga.gov.au/>

Twitter<https://twitter.com/GeoscienceAus>  |  Facebook<https://www.facebook.com/GeoscienceAustralia>  |  YouTube<https://www.youtube.com/user/GeoscienceAustralia>  |  LinkedIn<https://www.linkedin.com/company/geoscience-australia>

Geoscience Australia acknowledges the traditional owners and custodians of Country throughout
Australia and acknowledges their continuing connection to land, waters and community. We pay our
respects to the people, the cultures and the elders past and present.


Geoscience Australia Disclaimer: This e-mail (and files transmitted with it) is intended only for the person or entity to which it is addressed. If you are not the intended recipient, then you have received this e-mail by mistake and any use, dissemination, forwarding, printing or copying of this e-mail and its file attachments is prohibited. The security of emails transmitted cannot be guaranteed; by forwarding or replying to this email, you acknowledge and accept these risks.
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From jose.tarrio at usach.cl  Fri May 23 21:12:49 2025
From: jose.tarrio at usach.cl (=?UTF-8?Q?Jos=C3=A9_Antonio_Tarr=C3=ADo_Mosquera?=)
Date: Fri, 23 May 2025 17:12:49 -0400
Subject: [IGSMAIL-8592] IGSWorkshop2026 Chile_Save the Date
Message-ID: <CAL4yiqHZ9ZyX+RmreK6w2+0SEMjfO5PKOdhkzBvVP_E8d8FMUw@mail.gmail.com>

 Dear GNSS and Geodesy Community:

Chile, where the crust trembles daily and even a traditional cocktail is
nicknamed the* ?Earthquake?, *will become the *epicenter* of an
unprecedented scientific gathering in South America.
>From 1 to 5 June 2026, the IGS Workshop 2026 <https://youtu.be/VlXpoVgvGqs>
will bring the GNSS and geodesy community to Santiago?s Hotel
Intercontinental.


Organized by the University of Santiago de Chile (USACH) <www.usach.cl>
with the Military Geographic Institute (IGM) <www.igm.cl>, the workshop
will showcase the latest breakthroughs of the International GNSS Service
(IGS).
Stay tuned for updates and secure your seat at IGS Workshop 2026: Chile,
epicenter of GNSS orbits?driving global geodesy!

Workshop updates (abstract submission and registration opening, deadlines,
etc.) will be broadcast through the usual geodesy mailing lists. To have
them sent directly to you, please fill out this interest form:
https://forms.gle/GTVaesFRgmiA3qbW8.



*IGS Workshop 2026 ? Local Organizing Committee*
University of Santiago de Chile (USACH) & Military Geographic Institute
(IGM)

















Atentamente
_________________________________________________________________

*Jos? Antonio Tarr?o Mosquera*
Director: Geospatial and Environmental Engineering Department
Engineering Faculty
Universidad de Santiago de Chile
Avda. Lib. Bernardo O'Higgins 3363 - Estaci?n Centralwww.usach.cl
<https://trackercl1.fidelizador.com/L107F1228G62B2C0H10F37875B0J78DCC40AE8K107F12289D883006A575748E2E20>



Este mensaje, incluidos los archivos adjuntos, est? destinado
exclusivamente a quien(es) ha sido dirigido y puede contener informaci?n
confidencial o cuya difusi?n est? prohibida. Si el receptor no es el
destinatario, no est? autorizado para leer, imprimir, copiar, modificar,
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From igs_tr at aiub.unibe.ch  Wed May 28 05:10:17 2025
From: igs_tr at aiub.unibe.ch (IGS Technical Report 2024)
Date: Wed, 28 May 2025 07:10:17 +0200
Subject: [IGSMAIL-8593] IGS technical report 2024 is available
Message-ID: <6dc79020-7a33-45e0-b976-775f5d2df1fa@aiub.unibe.ch>

Dear colleagues,

It is a pleasure to inform you that the IGS technical report 2024 is 
available on the IGS server 
(https://files.igs.org/pub/resource/technical_reports/2024_techreport.pdf).

It became once more a comprehensive overview on the activities within 
the IGS. I want to take the opportunity to thank all people and groups 
that have contributed to the report.

The report for 2024 has registered with a DOI and ISBN number (see the 
related impress page). In this way the reports are better embedded in 
the system of scientific literature.

Best regards from the editor team

Rolf and Elmar

From camille.martire at igs.org  Thu May 29 12:00:00 2025
From: camille.martire at igs.org (Camille Martire)
Date: Thu, 29 May 2025 05:00:00 -0700
Subject: [IGSMAIL-8594] Re: Registration Open for the Tour de l'IGS Stop #7
 - Spotlight on Africa - 04 June 2025
In-Reply-To: <554cbf56-2fe3-43b0-b1b9-59370d2a507c@igs.org>
References: <554cbf56-2fe3-43b0-b1b9-59370d2a507c@igs.org>
Message-ID: <CADjOz2P7ouJkX1AaC=1bPYRu=JS+_T8GDQPxniJrnWP7C2iumA@mail.gmail.com>

 Dear Community Members,


This is a friendly reminder that *the 7th Tour de l?IGS Stop (Spotlight on
Africa) - will take place online on the 4th of June 2025 from 1200 to 1520
UTC*.

If you have not already done so, please register at
https://forms.gle/A5nyo8g9sjUDog3D9.
The meeting link will be sent to registered attendees one day before the
event.

The list of speakers and topics is available at
https://igs.org/tour-de-ligs/#7th-stop-agenda.


Looking forward to an exciting event,
Kind regards,

Camille, on behalf of the IGS Central Bureau.


--
On 15/05/2025 10:36, Camille Martire wrote:

Dear Community Members,


We are pleased to invite you to the *7th stop of our Tour de l?IGS series:
Spotlight on Africa*. The event will take place online *from 1200 to 1520
UTC on the 4th of June 2025*. The detailed agenda and registration link can
be found at https://igs.org/tour-de-ligs/#7th-stop-agenda.

This stop will feature research and operational GNSS projects executed by
African institutions and scientists and/or using African data, will discuss
continental-scale reference frames, and will close with an open discussion
to gather community input.
This occurrence is organised and will be hosted by Fernand Bal? (Bureau
National d?Etudes Techniques et de D?veloppement, C?te d?Ivoire) and
Babatunde Rabiu (National Space Research and Development Agency, Nigeria),
with support from the IGS Central Bureau.

*Registration is free and open to the whole community ; please register at
your earliest convenience to gain access to this event:
https://forms.gle/A5nyo8g9sjUDog3D9 <https://forms.gle/A5nyo8g9sjUDog3D9>.*

Please feel free to forward this invitation to everyone and anyone you
think might be interested.


Looking forward to you joining us on this stop,
Kind regards,

Camille Martire, on behalf of the IGS Central Bureau.

*Camille Martire, PhD *[????? | she/they
<https://www.thehrcfoundation.org/professional-resources/talking-about-pronouns-in-the-workplace>
]
  Research Technologist, NASA Jet Propulsion Laboratory
<https://www.jpl.nasa.gov/>
  Central Bureau Deputy Director + Governing Board Executive
Secretary, International
GNSS Service <https://igs.org/>
  camille.martire at jpl.nasa.gov, camille.martire at igs.org
  Google Scholar <http://www.tinyurl.com/LeoMartireGoogleScholar>, ORCID
<https://orcid.org/0000-0002-9402-6150>, LinkedIn
<https://www.linkedin.com/in/lmartire/?locale=en_US>
  *I work across several time zones, and I am sending this message now
because it works for me. Feel free to read, act on, or respond at a time
that works for you.*
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From dmaggert at igs.org  Fri May 30 14:25:31 2025
From: dmaggert at igs.org (David Maggert)
Date: Fri, 30 May 2025 08:25:31 -0600
Subject: [IGSMAIL-8595] BRUN00BRN:  decommissioned
Message-ID: <0BE11EFC-8D4E-45CD-A7C3-32CB18877301@igs.org>

Dear Colleagues,

The following station has been formally decommissioned from the IGS Network.

BRUN00BRN - Gadong, Brunei


Many thanks to the JAXA for their contributions to the IGS.


Best Regards,
David Maggert
IGS Central Bureau

From iag at geodesy.science  Wed Jun  4 06:06:35 2025
From: iag at geodesy.science (IAG Secretariat)
Date: Wed, 4 Jun 2025 08:06:35 +0200
Subject: [IGSMAIL-8596] 
	=?utf-8?q?New_IAG_Website_Launched_=E2=80=93_geodesy=2Escience_i?=
	=?utf-8?q?s_live!?=
Message-ID: <009d01dbd516$d451a980$7cf4fc80$@geodesy.science>

We are pleased to announce the launch of the new website of the IAG (International Association of Geodesy) now available at ?  <https://geodesy.science> https://geodesy.science

 

This new platform marks an exciting milestone for the IAG and underscores our commitment to making geodesy more visible and accessible to a broader audience. In addition, the new website has a strong focus on the following key areas:

 

?  <https://geodesy.science/news/> News: Stay updated with recent developments and subscribe to the  <https://geodesy.science/news/#mailing-list> mailing lists

?  <https://geodesy.science/events/> Events: Find all upcoming geodesy-related events in one place

?  <https://geodesy.science/jobs/> Jobs: Browse or post job opportunities in our growing job platform

?  <https://geodesy.science/member/> Member: Learn how to get involved in IAG and how to become an IAG member

 

? Get Involved: We encourage all to actively contribute and help us keep the community informed. You can now easily submit  <https://geodesy.science/news/post/> News,  <https://geodesy.science/events/post/> Events, and  <https://geodesy.science/jobs/post/> Job Offers via our convenient online submission forms, available on the respective pages.

 

We hope you enjoy exploring the new site and find it useful. Please feel free to share this announcement within your networks and let us know if you have any suggestions or content to share.

 

Warm regards,

Martin

______________________________________________

Martin Sehnal - Director of GGOS Coordinating Office | IAG Assistant Secretary-General |Secretary IAG-COB

 <https://geodesy.science/iag> IAG - International Association of Geodesy |  <https://geodesy.science/iag/about-iag/gov/iag-secretariat/> IAG Secretariat:  <mailto:iag at geodesy.science> iag at geodesy.science 

 <https://geodesy.science/ggos> GGOS - Global Geodetic Observing System |  <https://geodesy.science/ggos/structure/co/> GGOS Coordinating Office:  <mailto:ggos at geodesy.science> ggos at geodesy.science

Located at  <https://www.bev.gv.at/en.html> Federal Office of Metrology and Surveying (BEV), Vienna, Austria

Email:  <mailto:martin.sehnal at geodesy.science> martin.sehnal at geodesy.science |  <mailto:martin.sehnal at bev.gv.at> martin.sehnal at bev.gv.at

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From arturo.villiger at swisstopo.ch  Fri Jun 13 13:46:25 2025
From: arturo.villiger at swisstopo.ch (arturo.villiger at swisstopo.ch)
Date: Fri, 13 Jun 2025 13:46:25 +0000
Subject: [IGSMAIL-8597] igs20_2370: Update including new GPS BLOCK IIIA
 satellite G081 and GLONASS constellation change (R720/R807)
Message-ID: <40de0751eaf044c59b6abee6285e81ca@swisstopo.ch>

Dear colleagues

The absolute IGS antenna correction file (igs20_wwww.atx) has been updated.
The new release is called 'igs20_2370.atx'. It contains the following changes:

1) According to the IGS satellite metadata file<https://files.igs.org/pub/station/general/igs_satellite_metadata.snx?_gl=1*a69uf*_ga*NTU2NDgyMzczLjE3MzI0NzU1MTA.*_ga_Z5RH7R682C*MTc0MTA5ODU4MC4xNS4xLjE3NDEwOTk0OTMuNjAuMC4w> following new satellite launch (GPS BLOCK IIIA G081) and constellation changes have been added:

    Decommissioned:
    G045 (G21): 2025 04 04 23 59 59 (BLOCK IIR-A)
    R720 (R19):  2025 05 16 21 44 59 (GLONASS-M)
    R807(R25): 2025 05 16 21 44 59 (GLONASS-K1)

   Added:
   R720 (R25): 2025 05 16 21 45 00 (GLONASS-M)
   R807 (R19): 2025 05 16 21 45 00 (GLONASS-K1)
   G081 (G21): 2025 05 30 00 00 00 (New GPS BLOCK IIIA satellite G081 with preliminary PCO values)


2) Five new antenna calibrations which have been performed by Geo++ GmbH:

-  One antenna calibration was copied from GMXZENITH06 NONE. According to the manufacturer the antennas are identical in construction:
      GMXZENITH06PRO  NONE

-  Two antenna calibrations provided by South Geo-information:
       KOLK6           NONE
       RSIROVA1S       NONE

-  Two antenna calibrations provided by TI Asahi Co. Ltd.:
       TIAPENG7H+      NONE
       TIAPENGX2A      NONE



The updated antenna correction model is available at

https://files.igs.org/pub/station/general/igs20_2370.atx.gz

and

https://files.igs.org/pub/station/general/igs20.atx.gz <https://files.igs.org/pub/station/general/igs20.atx.gz%20%0d>

Best regards,
Arturo



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From urs.hugentobler at tum.de  Mon Jun 16 16:02:12 2025
From: urs.hugentobler at tum.de (Urs Hugentobler)
Date: Mon, 16 Jun 2025 18:02:12 +0200
Subject: [IGSMAIL-8598] IAG Symposium on Reference Frames for Applications
 in Geosciences (REFAG2026) - Call for Abstracts
Message-ID: <c2b8c707-f062-4441-b1e2-58587958238e@tum.de>

Dear Colleagues,

For the *IAG International Symposium on Reference Frames for 
Applications in Geosciences (REFAG2026)*, held from 2?4 March 2026 in 
Munich, Germany, co-located with the GGOS/IERS Unified Analysis Workshop 
(UAW2026) from 5-6 March 2026, we solicit contributions for the 
following topics:
* Importance of reference frames for Earth sciences
* Theory of reference systems and frames
* National and regional reference frames in deformation zones
* Consistency within and between reference frame
* Development and prospects for optimal geodetic ground-based infrastructure
* Integration of space-based co-locations for enhanced reference frames
* Lunar and planetary reference systems and frames

The web page for registration and abstract submission for REFAG2026 is 
open, see
https://geodesy.science/events/munich2026/

Abstract submission deadline is *15. October 2025*, Early Bird 
registration deadline is *15. December 2025*.

We are looking forward to meet you in Munich!
Best regards
Urs Hugentobler, Xavier Collilieux, Krzysztof Sosnica, Mathis Blo?feld, 
Fernand Bale, Maria Karbon, Laura Sanchez, Robert Heinkelmann
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From craddock at igs.org  Wed Jun 18 22:01:19 2025
From: craddock at igs.org (Allison Craddock)
Date: Wed, 18 Jun 2025 15:01:19 -0700
Subject: [IGSMAIL-8599] Tour de l'IGS Stop #7: Spotlight on Africa -
 Recording of Presentations Now Available
Message-ID: <CAGo7kFku4oJzSXcD+awOWbP6LO68F6OVQs-BEhWeuN-g+-V_rA@mail.gmail.com>

Dear IGS Community Members,

The entire IGS Central Bureau would like to extend our thanks to all
participants of the 7th Stop in our Tour de l?IGS series (
https://igs.org/tour-de-ligs), this time shining a spotlight on Africa. We
are particularly grateful to our speakers, and to IGS Governing Board
Members Fernand Bal? and Babatunde Rabiu for curating and moderating this
community event.

The recordings of presentations are now available on our events page (
https://igs.org/tour-de-ligs#7th-stop-agenda) and via our YouTube channel (
https://www.youtube.com/user/igsorg).

If you would like to propose a topic for a future Tour de l'IGS event,
please contact the Central Bureau at cb at igs.org.

With my best regards, and on behalf of the IGS Central Bureau staff,
Allison

-- 

*Allison B. Craddock*



Director, International GNSS Service - Central Bureau

Manager of External Relations, IAG Global Geodetic Observing System



Systems Engineer

International Coordination and Partnership Office

Space Geodesy Program

NASA Jet Propulsion Laboratory

4800 Oak Grove Drive

MS 238-600

Pasadena, CA 91109 USA



Mobile: +1 818 237 0425

craddock at jpl.nasa.gov

craddock at igs.org
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From wangningbo at aoe.ac.cn  Fri Jun 20 09:56:29 2025
From: wangningbo at aoe.ac.cn (wangningbo at aoe.ac.cn)
Date: Fri, 20 Jun 2025 17:56:29 +0800
Subject: [IGSMAIL-8600] CAS New Real-Time Product SSR Streams CAS01
 Available via the IGS RTS
Message-ID: <202506201756288040229@aoe.ac.cn>


Author: Ningbo Wang (AIR/CAS)

Dear colleagues,

we are pleased to announce the release of new real-time product streams from the Chinese Academy of Sciences (CAS) to support RT PPP-AR for GPS, Galileo and BDS-3 constellations. The newly generated CAS01 SSR product streams have been available on the IGS BKG caster since June 2025. Details are as follows:

IGS Caster: products.igs-ip.net
Mountpoints: SSRC01CAS1 (IGS-SSR, CoM), SSRA01CAS1 (IGS-SSR, APC), SSRC01CAS0 (RTCM-SSR, CoM), SSRA01CAS0 (RTCM-SSR, APC)
GNSS Constellations: GPS, Galileo and BDS-3 (i.e., G+E+C)
SSR Corrections: orbit, clock, code bias, phase bias, and global ionosphere.

In addtion, the CAS01 product streams, along with redistributed IGS data streams, CAS combined real-time ephmerides (BCEP00CAS0) and real-time VTEC (IONO01IGS1) SSR streams, are also accessible via CAS IGS Regional Data Center (https://igs.bdsmart.cn). Note that registration is required for access (cf., IGS-RTWG-Mail 358). 

We greatly appreciate your interest in these new product streams and your feedback is highly appreciated.

With kind regards,
Ningbo Wang (wangningbo at aoe.ac.cn)
On behalf of CAS Team 



Ningbo WANG, Ph.D Associate Professor
Aerospace Information Research Institute (AIR)
Chinese Academy of Sciences (CAS)
No 9 Dengzhuang South Road
Beijing China

Tel (+86) 186 7401 0516
e-mail wangningbo at aoe.ac.cn
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From dmaggert at igs.org  Tue Jun 24 13:47:42 2025
From: dmaggert at igs.org (David Maggert)
Date: Tue, 24 Jun 2025 07:47:42 -0600
Subject: [IGSMAIL-8601] New IGS Station:  CANT00ESP
Message-ID: <A0337CC9-44C1-487C-9B89-50F672CC322A@igs.org>

Dear Colleagues,

We are pleased to announce the addition of the following station to the IGS Network:

Site        Location             Receiver      Antenna       Radome    Coverage           Sample Interval
CANT00ESP   Santander, Spain     LEICA GR50    LEIAR25.R4    LEIT      GPS+GLO+GAL+BDS    30s


RINEX3 data is available from IGN, BKG, and CDDIS.  The real-time data is available from the BKG caster.

We appreciate the Instituto Geografico Nacional de Espana for providing this IGS station.


Best Regards,
David Maggert, IGS Network Coordinator
Markus Bradke, IGS Infrastructure Committee Coordinator
Ryan Ruddick, IGS Network Representative
Wolfgang S?hne, IGS Network Representative
Rui Fernandes, IGS Network Representative
Paul Rebischung, IGS Reference Frame Coordinator

From dmaggert at igs.org  Fri Jun 27 13:23:35 2025
From: dmaggert at igs.org (David Maggert)
Date: Fri, 27 Jun 2025 07:23:35 -0600
Subject: [IGSMAIL-8602] New IGS Stations: ARUA00UGA, ENTB00UGA, FPRT00UGA,
 SRTI00UGA
Message-ID: <B829BB19-87FE-450E-B1F6-73834B97372A@igs.org>

Dear Colleagues,

We are pleased to announce the addition of the following stations to the IGS Network:

Site         Location               Receiver      Antenna    Radome    Coverage           Sample Interval
ARUA00UGA    Arua, Uganda           LEICA GR50    LEIAR20    LEIM      GPS+GLO+GAL+BDS    30s
ENTB00UGA    Entebbe, Uganda        LEICA GR50    LEIAR20    LEIM      GPS+GLO+GAL+BDS    30s
FPRT00UGA    Fort Portal, Uganda    LEICA GR50    LEIAR20    LEIM      GPS+GLO+GAL+BDS    30s
SRTI00UGA    Soroti, Uganda         LEICA GR50    LEIAR20    LEIM      GPS+GLO+GAL+BDS    30s


RINEX3 data is available from IGN and CDDIS.

We appreciate the Ministry of Lands, Housing and Urban Development Surveys and Mapping Department in Uganda with help from IGNFI (France) for providing these IGS stations.


Best Regards,
David Maggert, IGS Network Coordinator
Markus Bradke, IGS Infrastructure Committee Coordinator
Ryan Ruddick, IGS Network Representative
Wolfgang S?hne, IGS Network Representative
Rui Fernandes, IGS Network Representative
Paul Rebischung, IGS Reference Frame Coordinator

From GNSS at nga.mil  Fri Jun 27 14:59:59 2025
From: GNSS at nga.mil (GNSS at nga.mil)
Date: Fri, 27 Jun 2025 14:59:59 +0000
Subject: [IGSMAIL-8603] WGS 84 ION NAVIGATION Publication
Message-ID: <654a8eb7255d409cb6bad4e6ac641dcb@nga.mil>

Classification: UNCLASSIFIED
======================================================



Dear Colleagues,



The NGA Office of Geomatics, GNSS Division has recently published an open-access paper on the WGS 84 Terrestrial Reference Frame (TRF) in the NAVIGATION Journal of the Institute of Navigation (ION). This paper provides information about historical and current realizations of the WGS 84 TRF, details on current alignment methodology, and an analysis of the accuracy of WGS 84 alignment with respect to ITRF over time. Please see the paper linked below.



https://navi.ion.org/content/72/2/navi.693



Precise ephemerides of GPS in the WGS 84 TRF are available under the GNSS tab here:



https://earth-info.nga.mil/index.php?dir=gnss&action=gnss



For more information regarding WGS 84, please visit the NGA Office of Geomatics website linked above.



Best regards,



Office of Geomatics

GNSS Division, National Geospatial-Intelligence Agency



Approved for public release, NGA-U-2025-01500

======================================================
Classification: UNCLASSIFIED



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From jhgeng1982 at gmail.com  Mon Jun 30 07:34:18 2025
From: jhgeng1982 at gmail.com (Jianghui Geng)
Date: Mon, 30 Jun 2025 15:34:18 +0800
Subject: [IGSMAIL-8604] IGS WCC combined products released
Message-ID: <00E23199-6D25-450E-B6C6-BC20EE800889@gmail.com>

Dear Colleagues,

We are pleased to announce that the IGS Wuhan Combination Center (WCC) Pilot Project has established self-explained webpages showing the statistical results of satellite phase orbit/clock/bias combination over AC?s individual contributions. The links are
(1) Rapid product combination: https://igs.org/wg/wcc/#rapid
(2) Final product combination: https://igs.org/wg/wcc/#final

Both webpages are updated weekly, with visualizations provided by the State Key Laboratory of Precision Geodesy, APM, Chinese Academy of Sciences. We sincerely thank all contributing ACs for their valuable work. Users are encouraged to check these pages for the latest product status to support their PPP applications using the WCC products.

In addition, for demonstration purposes, since March 9, 2025, the combined products (WCC0OPSRAP and WCC0OPSFIN) have been uploaded routinely to the WCC online repository (ftps://bdspride.com). The Final product is updated weekly with 1-2 weeks of latency (representing the delay between the product's reference date and its release time), while the Rapid product is updated daily with 2-3 days of latency.

The WCC0OPSRAP and WCC0OPSFIN products provide combined satellite orbits, clocks, biases, attitudes, and Earth Rotation Parameter (ERP) solutions with sampling rates of 5 minutes, 30 seconds, 1 day, 30 seconds, and 1 day, respectively. In addition, combined station clocks with a 5-minute sampling rate are also available. Notably, the Final product provides an extra 24:00 epoch and has undergone day-boundary discontinuity alignment to enhance product continuity and consistency across days.

Please do not hesitate to contact us if you find any problems with the WCC products.

Please refer to 
Geng J, Yan Z, Wen Q, M?nnel B, Masoumi S, Loyer S, Mayer-G?rr T, Schaer S (2024) Integrated satellite clock and code/phase bias combination in the third IGS reprocessing campaign. GPS Solut. 28, 150. doi: 10.1007/s10291-024-01693-9
Geng J, Wen Q, Chen G, Dumitraschkewitz P, Zhang Q (2024) All-frequency IGS phase clock/bias product combination to improve PPP ambiguity resolution. J. Geod. 98, 48. doi:10.1007/s00190-024-01865-y


Best,
Jianghui Geng on behalf of the PRIDE group including Qiang Wen and Yahao Zhang.

Professor in GNSS Geodesy
Director of State Key Laboratory of Precision Geodesy,
APM, Chinese Academy of Sciences, Wuhan, China
Email: jgeng at apm.ac.cn
Office: +86 (0)27 68881316
Homepage: http://pride.whu.edu.cn

Earn the right to be wrong









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From markus.bradke at gfz.de  Wed Jul  2 12:09:38 2025
From: markus.bradke at gfz.de (Markus Bradke)
Date: Wed, 2 Jul 2025 14:09:38 +0200
Subject: [IGSMAIL-8605] New address for GNSS data and products at GFZ
Message-ID: <EF45BE6D-CBE5-4455-9A90-DF80ABC1717C@gfz.de>

Dear colleagues,

Our GNSS data and data products are distributed via data centers of the International GNSS Service and GFZ?s Information System and Data Center (ISDC). Currently, the ISDC is undergoing some significant upgrades. 

In the first step, the old FTP directories are replaced with a more user-friendly HTTPS directory. 
Please use the address https://isdc-data.gfz.de/gnss/ to access our data and products. 
The old FTP protocol will be supported until December, 31, 2025.

We kindly ask that you adjust your scripts and download the necessary tools. We are available to answer any questions you may have.
Additionally, we would like to remind you about our DOIs, which provide a summary of the background information and metadata for our data and products. 
More information can be found under https://gnss.gfz.de <https://gnss.gfz.de/>.

Best regards,
Markus

M.Eng. Markus Bradke
IT Specialist
Section 1.1 Space Geodetic Techniques

Tel: +49 (0)331/6264-1182
Mail: markus.bradke at gfz.de

GFZ Helmholtz Centre for Geosciences
Public Law Foundation State of Brandenburg
Telegrafenberg, D-14473 Potsdam

GFZ GNSS Data Centre Manager
IGS Infrastructure Committee Coordinator

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From cb at igs.org  Fri Jul 18 13:20:39 2025
From: cb at igs.org (IGS CB)
Date: Fri, 18 Jul 2025 07:20:39 -0600
Subject: [IGSMAIL-8606] Fwd: Geodesy Lecturer/Senior Lecturer position at
 the School of Surveying, University of Otago (New Zealand)
In-Reply-To: <SY4P282MB2505FCF9C898A7A3F8FDE002BE51A@SY4P282MB2505.AUSP282.PROD.OUTLOOK.COM>
References: <SY4P282MB2505FCF9C898A7A3F8FDE002BE51A@SY4P282MB2505.AUSP282.PROD.OUTLOOK.COM>
Message-ID: <CACoYaQRK1eZMOzmHa_oXuZSh1UO=2nz9FfT4a9C2i9Ftu6immQ@mail.gmail.com>

Dear IGS community,

we would like to draw your attention to a fantastic opportunity to share
your geodetic expertise in the beautiful Aotearoa New Zealand. Please
consider applying for this position (deadline is the 7th of August!) and
for any question please contact Yong Zheng (yong.chienzheng at otago.ac.nz) or
Robert Odolinski (robert.odolinski at otago.ac.nz)

Please come join our small but vibrant national geodetic community!

Best regards,

Elisabetta

---

*Geodesy Lecturer/Senior Lecturer position *now available at the School of
Surveying, University of Otago, Dunedin, New Zealand (permanent full-time)

The National School of Surveying at the University of Otago is inviting
applications for a full-time, permanent academic position. We seek
candidates with expertise in at least two of the following four areas: a)
Geodesy, b) Surveying Mathematics, c) Applied Geodesy, or d) other
Surveying subfields.

The appointment will be made at the Lecturer or Senior Lecturer level,
depending on the candidate's academic achievements, skills, and experience.
We are looking for exceptional candidates who have demonstrated excellence
in research and a strong interest in teaching, contributing to the
aspirations of both national and international communities. The position is
expected to commence on or before January 5, 2026. *The application
deadline is August 7, 2025*.

For more information and to apply, please visit:

https://otago.taleo.net/careersection/2/jobdetail.ftl?lang=en&job=2500963


Ng? mihi
Yong

[image: University of Otago] <https://www.otago.ac.nz/>


*Dr Yong  Chien Zheng Lecturer | P?kenga*
University of Otago ? ?t?kou Whakaihu Waka
School of Surveying | Te Kura Kair?ri
310 Castle Street, Dunedin | ?tepoti, New Zealand
E: yong.chienzheng at otago.ac.nz
W: www.otago.ac.nz/surveying/staff/dr-yong-chien-zheng


*Elisabetta D'Anastasio*
Science Operations Technical Lead
027 665 5890
1 Fairway Drive, Avalon 5011, New Zealand
New Zealand Institute for Earth Science Limited (Earth Sciences New
Zealand)
[image: Earth Sciences New Zealand] <https://earthsciences.nz>
The Institute of Geological and Nuclear Sciences Limited and the National
Institute of Water and Atmospheric Research Limited joined to become the
New Zealand Institute for Earth Science Limited. We are known as Earth
Sciences New Zealand. For more information on the Earth Sciences
transition click
here
<https://www.gns.cri.nz/assets/share/ESNZ-2-Stakeholder-information-for-website.pdf>
.

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